<SEC-DOCUMENT>0001213900-21-057902.txt : 20211109
<SEC-HEADER>0001213900-21-057902.hdr.sgml : 20211109
<ACCEPTANCE-DATETIME>20211109213504
ACCESSION NUMBER:		0001213900-21-057902
CONFORMED SUBMISSION TYPE:	S-1MEF
PUBLIC DOCUMENT COUNT:		3
<REFERENCE-462B>333-260029
FILED AS OF DATE:		20211109
DATE AS OF CHANGE:		20211109
EFFECTIVENESS DATE:		20211109

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Bluejay Diagnostics, Inc.
		CENTRAL INDEX KEY:			0001704287
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		IRS NUMBER:				473552922
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-1MEF
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-260936
		FILM NUMBER:		211394154

	BUSINESS ADDRESS:	
		STREET 1:		360 MASSACHUSETTS AVENUE, SUITE 203
		CITY:			ACTON
		STATE:			MA
		ZIP:			01720
		BUSINESS PHONE:		(978) 631-0152

	MAIL ADDRESS:	
		STREET 1:		360 MASSACHUSETTS AVENUE, SUITE 203
		CITY:			ACTON
		STATE:			MA
		ZIP:			01720
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-1MEF
<SEQUENCE>1
<FILENAME>ea150318-s1mef_bluejay.htm
<DESCRIPTION>S-1MEF
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; color: #231F20"><FONT STYLE="color: Black"><B>As
filed with the Securities and Exchange Commission on November 9, 2021</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: right; color: #231F20"><FONT STYLE="color: Black"><B>Registration
No. 333- </B></FONT></P>

<!-- Field: Rule-Page --><DIV STYLE="margin: 0pt; width: 100%"><DIV STYLE="margin: 0pt; font-size: 1pt; border-top: black 2.25pt solid"><FONT STYLE="color: Black">&nbsp;</FONT></DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: right; color: #231F20"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; color: #231F20"><FONT STYLE="color: Black"><B>UNITED
STATES</B></FONT></P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; color: #231F20"><FONT STYLE="color: Black"><B>SECURITIES
AND EXCHANGE COMMISSION</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; color: #231F20"><FONT STYLE="color: Black"><B>Washington,
D.C. 20549</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; color: #231F20"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 18pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; color: #231F20"><FONT STYLE="color: Black"><B>FORM
S-1</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; color: #231F20"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; color: #231F20"><FONT STYLE="color: Black"><B>REGISTRATION
STATEMENT UNDER</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; color: #231F20"><FONT STYLE="color: Black"><B>THE
SECURITIES ACT OF 1933</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; color: #231F20"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black"><B>BLUEJAY DIAGNOSTICS,
INC.</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black"><B>(Exact name of registrant
as specified in its charter)</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1.5pt solid; width: 32%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black"><B>Delaware</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 1%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; width: 32%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black"><B>3841</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 1%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="border-bottom: Black 1.5pt solid; width: 34%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black"><B>47-3552922</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">(State or
    other jurisdiction of<BR>
    incorporation or organization)</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">(Primary Standard
    Industrial<BR>
    Classification Code Number)</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">(I.R.S. Employer<BR>
    Identification Number)</FONT></TD></TR>
  </TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black"><B>360 Massachusetts
Avenue, Suite 203<BR>
Acton, MA 01720<BR>
Telephone: (844) 327-7078<BR>
</B>(Address,&nbsp;Including&nbsp;Zip&nbsp;Code,&nbsp;and&nbsp;Telephone&nbsp;Number,&nbsp;Including&nbsp;Area&nbsp;Code,&nbsp;of&nbsp;Registrant&rsquo;s&nbsp;Principal&nbsp;Executive&nbsp;Offices)</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black"><B>Neil Dey<BR>
Chief Executive Officer and President<BR>
360 Massachusetts Avenue, Suite 203<BR>
Acton, MA 01720<BR>
Telephone: (844) 327-7078<BR>
</B>&nbsp;(Name,&nbsp;Address,&nbsp;Including&nbsp;Zip&nbsp;Code,&nbsp;and&nbsp;Telephone&nbsp;Number,&nbsp;Including&nbsp;Area&nbsp;Code,&nbsp;of&nbsp;Agent&nbsp;For&nbsp;Service)</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><FONT STYLE="color: Black"><B>_________________</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black"><I>Copies to:&nbsp;</I></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 48%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black"><B>Ralph
    V. De Martino, Esq.<BR>
    Cavas Pavri, Esq.<BR>
    Schiff Hardin LLP<BR>
    901 K Street NW<BR>
    Suite 700<BR>
    Washington, DC 20001<BR>
    Telephone: (202) 724.6848</B></FONT></TD>
    <TD STYLE="white-space: nowrap; width: 1%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="width: 51%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black"><B>Robert
    F. Charron, Esq.<BR>
    Ellenoff Grossman&nbsp;&amp; Schole LLP<BR>
    1345 Avenue of the Americas<BR>
    New&nbsp;York, New&nbsp;York 10105<BR>
    Telephone: (212) 931-8704</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><FONT STYLE="color: Black"><B>&nbsp;_________________</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; text-indent: 24pt"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 24pt"><FONT STYLE="color: Black">Approximate
date of commencement of proposed sale to the public: <B>As soon as practicable after the effective date of this registration statement.</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 19.95pt; color: #231F20"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 0.25in; color: #231F20"><FONT STYLE="color: Black">If any
of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities
Act of 1933 check the following box. &#9746;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 19.95pt; color: #231F20"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 0.25in; color: #231F20"><FONT STYLE="color: Black">If
this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check
the following box and list the Securities Act registration statement number of the earlier effective registration statement for the
same offering. &#9746; 333-260029</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 19.95pt; color: #231F20"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 0.25in; color: #231F20"><FONT STYLE="color: Black">If this
Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities
Act registration statement number of the earlier effective registration statement for the same offering. &#9744;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 0.25in; color: #231F20"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 0.25in; color: #231F20"><FONT STYLE="color: Black">If this
Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities
Act registration statement number of the earlier effective registration statement for the same offering. &#9744;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 0.25in; color: #231F20"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 0.25in; color: #231F20"><FONT STYLE="color: Black">If an
emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. &#9744;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 0.25in; color: #231F20"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 0.25in; color: #231F20"><FONT STYLE="color: Black">Indicate
by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting
company or an emerging growth company. See the definitions of &ldquo;large accelerated filer,&rdquo; &ldquo;accelerated filer,&rdquo;
&ldquo;smaller reporting company&rdquo; and &ldquo;emerging growth company&rdquo; in Rule 12b-2 of the Exchange Act.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="white-space: nowrap; width: 20%"><FONT STYLE="font-size: 10pt; color: Black">Large accelerated filer</FONT></TD>
    <TD STYLE="width: 50%"><FONT STYLE="font-family: Wingdings; font-size: 10pt; color: Black">&uml;</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 25%"><FONT STYLE="font-size: 10pt; color: Black">Accelerated filer</FONT></TD>
    <TD STYLE="width: 5%; text-align: right"><FONT STYLE="font-family: Wingdings; font-size: 10pt; color: Black">&uml;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="white-space: nowrap"><FONT STYLE="font-size: 10pt; color: Black">Non-accelerated filer</FONT></TD>
    <TD>&#9746;</TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="font-size: 10pt; color: Black">Smaller reporting company</FONT></TD>
    <TD STYLE="text-align: right">&#9746;</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="font-size: 10pt; color: Black">Emerging growth company</FONT></TD>
    <TD STYLE="text-align: right">&#9746;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; color: #231F20">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; color: #231F20"></P>

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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center; color: #231F20"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black"><B>CALCULATION OF REGISTRATION
FEE</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black"><B>Title&nbsp;of&nbsp;each&nbsp;Class&nbsp;of&nbsp;Securities&nbsp;to&nbsp;be&nbsp;Registered</B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black"><B>Maximum
    Aggregate Offering<BR>
    Price<SUP>(1)(2)(3)</SUP></B></FONT></TD>
    <TD STYLE="white-space: nowrap; border-top: Black 1pt solid; border-bottom: Black 1pt solid"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black"><B>Amount
    of Registration Fee</B></FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #CCEEFF">
    <TD STYLE="width: 73%; padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Units:<SUP>(7)</SUP>&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 1%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 1%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">$</FONT></TD>
    <TD STYLE="width: 11%; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">4,140,000</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 1%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 1%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">$</FONT></TD>
    <TD STYLE="width: 11%; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">383.78</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 1%; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Common
    stock, par value $0.0001 per share<SUP>(4)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">&mdash;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">&mdash;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #CCEEFF">
    <TD STYLE="padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Warrants
    to purchase common stock<SUP>(4)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">&mdash;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">&mdash;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Shares
    of common stock issuable upon exercise of the Class&nbsp;A Warrants</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">$</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">2,898,000</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">$</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">268.64</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #CCEEFF">
    <TD STYLE="padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Shares
    of common stock issuable upon exercise of the Class&nbsp;B Warrants</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">$</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">4,140,000</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">$</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">383.78</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Series
    E Convertible Preferred Stock<SUP>(6)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">&mdash;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">&mdash;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #CCEEFF">
    <TD STYLE="padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Shares
    of common stock underlying the Series E Convertible Preferred Stock</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">&mdash;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">&mdash;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Underwriter&rsquo;s
    warrants<SUP>(5)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">&mdash;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">&mdash;</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #CCEEFF">
    <TD STYLE="padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Common
    stock underlying Underwriters&rsquo; warrants<SUP>(5)</SUP></FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">$</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">258,750</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">$</FONT></TD>
    <TD STYLE="text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">23.99</FONT></TD>
    <TD STYLE="white-space: nowrap; text-align: right"><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom; background-color: #CCEEFF">
    <TD STYLE="padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black"><B>Total</B></FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: black 2.25pt double"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">$</FONT></TD>
    <TD STYLE="border-bottom: black 2.25pt double; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">11,436,750</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; border-bottom: black 2.25pt double"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">$</FONT></TD>
    <TD STYLE="border-bottom: black 2.25pt double; text-align: right"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">1,060.19</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black"><SUP>(9)</SUP></FONT></TD></TR>
  </TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0"></P>
<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 24pt"><FONT STYLE="color: Black">____________</FONT></TD><TD STYLE="text-align: justify"></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><FONT STYLE="color: Black">(1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Estimated
solely for the purpose of calculating the amount of the registration fee in accordance with Rule&nbsp;457(o) under the Securities Act
of 1933, as amended.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><FONT STYLE="color: Black">(2)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
to Rule&nbsp;416, the securities being registered hereunder include such indeterminate number of additional securities as may be issuable
to prevent dilution resulting from stock splits, stock dividends or similar transactions.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><FONT STYLE="color: Black">(3)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Includes
the price of additional shares of common stock and warrants to purchase shares of common stock that the underwriters have the option
to purchase to cover overallotments, if any.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><FONT STYLE="color: Black">(4)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Included
in the price of the units. No separate registration fee is required pursuant to Rule&nbsp;457(g) under the Securities Act.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><FONT STYLE="color: Black">(5)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Estimated
solely for the purposes of calculating the registration fee pursuant to Rule&nbsp;457(g) under the Securities Act. We&nbsp;have calculated
the proposed maximum aggregate offering price of the common stock underlying the underwriter&rsquo;s warrants by assuming that such warrants
are exercisable at a price per share equal to 125% of the public offering price of the common stock in the units sold in this offering.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><FONT STYLE="color: Black">(6)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
maximum aggregate offering price of the common stock proposed to be sold in the offering will be reduced on a dollar-for-dollar basis
based on the offering price of any Series E Convertible Preferred Stock offered and sold in the offering.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><FONT STYLE="color: Black">(7)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each
unit includes (i)&nbsp;one share of common stock (or, at the purchaser&rsquo;s election, one share of Series E Convertible Preferred
Stock), (ii)&nbsp;one Class&nbsp;A Warrant, and (iii)&nbsp;one Class&nbsp;B Warrant.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><FONT STYLE="color: Black">(8)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Represents
4,500,000 shares of common stock at an assumed price of $10.00, the public offering price.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; color: Black">(9)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="color: Black">The
Registrant previously registered securities having a proposed maximum aggregate offering price of $102,183,750 on its Registration Statement
on Form S-1, as amended (File No. 333-260029) which was declared effective by the Securities and Exchange Commission on November 9, 2021.
In accordance with Rule&nbsp;462(b)&nbsp;under the&nbsp;Securities Act, an additional number of securities having a proposed maximum
offering price of $11,436,750 is hereby registered.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black"><B>The Registration Statement shall become
effective upon filing with the Securities and Exchange Commission in accordance with Rule 462(b) under the Securities Act of 1933, as
amended.</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 19.95pt"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 19.95pt"><FONT STYLE="color: Black"><B></B></FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 19.95pt"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-indent: 19.95pt"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black"><B>EXPLANATORY NOTE</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">This
Registration Statement on Form S-1 is being filed with respect to the registration of 414,000 additional Units of Bluejay Diagnostics,
Inc., a Delaware corporation (the &ldquo;Registrant&rdquo;), pursuant to Rule 462(b) under the Securities Act of 1933, as amended, and
General Instruction V to Form S-1. Each Unit consists of (a) one share of Registrant common stock (or, at the purchaser&rsquo;s election,
one share of Series E Convertible Preferred Stock), (b) one Class A warrant to purchase one share of Registrant common stock at an exercise
price equal to $7.00 per share, exercisable until the fifth anniversary of the issuance date, and (c) one Class B warrant to purchase
one share of Registrant common stock at an exercise price equal to $10.00 per share, exercisable until the fifth anniversary of the issuance
date. In addition, this Registration Statement is being filed with respect to the registration of a warrant to purchase up to 20,700
shares of common stock that may be issued to the representative of the underwriters (or its designees) in the offering subject to the
Registration Statement. This Registration Statement relates to the Registrant&rsquo;s Registration Statement on Form S-1, as amended
(File No. 333-260029) (the &ldquo;Prior Registration Statement&rdquo;), initially filed by the Registrant on October 4, 2021 and declared
effective by the Securities and Exchange Commission (the &ldquo;Commission&rdquo;) on November 9, 2021. The required opinion of counsel
and related consent and accountant&rsquo;s consent are attached hereto and filed herewith. Pursuant to Rule 462(b), the contents of the
Prior Registration Statement, including the exhibits thereto, are incorporated by reference into this Registration Statement.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="color: Black">&nbsp;&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black"><B>PART II</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black"><B>INFORMATION NOT REQUIRED IN PROSPECTUS</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 0px"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="width: 96px"><FONT STYLE="font-size: 10pt; color: Black"><B>Item 16.</B></FONT></TD>
    <TD><FONT STYLE="font-size: 10pt; color: Black"><B>Exhibits and Financial Statement Schedules.</B></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Exhibits.
All exhibits filed with or incorporated by reference in the Registration Statement on Form S-1 (SEC File No. 333-260029) are incorporated
by reference into, and shall be deemed a part of, this Registration Statement, and the following additional exhibits are filed herewith,
as part of this Registration Statement:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black"><B>&nbsp;</B></FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="width: 6%; text-align: center"><FONT STYLE="font-size: 10pt; color: Black">5.1</FONT></TD>
    <TD STYLE="width: 1%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="width: 93%; text-align: justify"><FONT STYLE="font-size: 10pt; color: Black"><A HREF="ea150318ex5-1_bluejay.htm">Opinion of Schiff Hardin LLP</A></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="text-align: center"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: center"><FONT STYLE="font-size: 10pt; color: Black">23.1</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-size: 10pt; color: Black"><A HREF="ea150318ex23-1_bluejay.htm">Consent of Wolf and Company, P.C.</A></FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="text-align: center"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="text-align: center"><FONT STYLE="font-size: 10pt; color: Black">23.2</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-size: 10pt; color: Black"><A HREF="ea150318ex5-1_bluejay.htm">Consent of Schiff Hardin LLP (included on Exhibit 5.1).</A></FONT></TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"></P>

<!-- Field: Page; Sequence: 3 -->
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    <DIV STYLE="break-before: page; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt">&nbsp;</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black"><B>SIGNATURES</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 24pt"><FONT STYLE="color: Black">Pursuant
to the requirements of the Securities Act of 1933, each registrant has duly caused this registration statement to be signed on its behalf
by the undersigned, thereunto duly authorized, in the City of Acton, Commonwealth of Massachusetts, on the 9th day of November, 2021.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 24pt"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">BLUEJAY
    DIAGNOSTICS INC.</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 55%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 1%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="width: 6%; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">By:</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 1%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="width: 37%; border-bottom: Black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">/s/
    Neil Dey </FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Name:</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Neil Dey</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Title:</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Chief Executive
    Officer and President</FONT></TD></TR>
  </TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 24pt"><FONT STYLE="color: Black">Pursuant
to the requirements of the Securities Act of 1933, this Registration Statement has been signed by the following persons in the capacities
and on the dates indicated.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 24pt"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
  <TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid; width: 22%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black"><B>Name</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; white-space: nowrap; width: 1%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 56%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black"><B>Position</B></FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; white-space: nowrap; width: 1%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 20%; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black"><B>Date</B></FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">/s/
    Neil Dey </FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">President, Chief Executive Officer and
    Director</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">November 9,
    2021</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Neil Dey</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">/s/
    Gordon Kinder </FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Chief Financial Officer</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">November 9,
    2021</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Gordon Kinder</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">(Principal&nbsp;Financial&nbsp;Officer&nbsp;and&nbsp;Principal&nbsp;Accounting&nbsp;Officer)</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">*</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Chairman of the Board</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">November 9,
    2021</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Douglas Wurth</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">*</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Director</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">November 9,
    2021</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Svetlana
    Dey</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">*</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Director</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">November 9,
    2021</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Donald R.
    Chase</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">*</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Director</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">November 9,
    2021</FONT></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Fred S. Zeidman</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="color: Black"></FONT></P>
        <P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="color: Black">&nbsp;</FONT></P></TD></TR>
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<TD STYLE="width: 0"></TD><TD STYLE="width: 24pt"><FONT STYLE="color: Black">____________</FONT></TD><TD STYLE="text-align: justify"></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0pt"><FONT STYLE="color: Black">*&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
to power of attorney</FONT></P>

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  <TR STYLE="vertical-align: bottom">
    <TD STYLE="width: 3%; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">By:</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 1%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="width: 17%; border-bottom: Black 1pt solid"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">/s/
    Gordon Kinder</FONT></TD>
    <TD STYLE="white-space: nowrap; width: 1%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="width: 78%"><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Gordon Kinder</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt; color: Black">Attorney-in-fact</FONT></TD>
    <TD STYLE="white-space: nowrap"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  </TABLE>
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<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>ea150318ex5-1_bluejay.htm
<DESCRIPTION>OPINION OF SCHIFF HARDIN LLP
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: right"><FONT STYLE="color: Black"><B>Exhibit 5.1</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black">&nbsp;November 9, 2021</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: center"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black">BlueJay Diagnostics, Inc.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black">360 Massachusetts Avenue, Suite 203</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black">Acton, MA 01720&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black">&nbsp;</FONT></P>

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    <TD STYLE="width: 48px; font-size: 10pt; text-align: justify"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="width: 24px; font-size: 10pt"><FONT STYLE="font-size: 10pt; color: Black">Re:</FONT></TD>
    <TD STYLE="font-size: 10pt; text-align: justify"><FONT STYLE="font-size: 10pt; color: Black"><U>Form S-1 Registration Statement</U></FONT></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black">Ladies and Gentlemen:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">We
have acted as counsel to BlueJay Diagnostics, Inc., a Delaware corporation (the &ldquo;<U>Company</U>&rdquo;), in connection with the
Registration Statement on Form S-1 (as amended, the &ldquo;Registration Statement&rdquo;), filed by the Company on November 9, 2021 with
the Securities and Exchange Commission (the &ldquo;Commission&rdquo;) under the Securities Act of 1933, as amended (the &ldquo;Securities
Act&rdquo;).</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">The
Registration Statement incorporates by reference the registration statement on Form S-1 (Registration No. 333-260029) initially filed
with the Commission on October 4, 2021, as amended to date (the &ldquo;<U>Prior Registration Statement</U>&rdquo;), which was declared
effective by the Commission on November 9, 2021. The Registration Statement relates to the registration, pursuant to Rule 462(b) under
the Securities Act, of the offer and sale of: (A) $4,140,000 of units (the &ldquo;<U>Units</U>&rdquo;) of securities of the Company,
with each Unit consisting of (a) one share of common stock, par value $0.0001 per share, of the Company (&ldquo;<U>Common Stock</U>&rdquo;)
(or, to each purchaser whose purchase of shares of Common Stock in such offering would otherwise result in the purchaser, together with
its affiliates and certain related parties, beneficially owning more than 4.99% of the Company&rsquo;s outstanding Common Stock immediately
following the consummation of such offering, a share of the Company&rsquo;s Series E Preferred Stock (the &ldquo;<U>Preferred Stock</U>&rdquo;)
(and the shares of Common Stock issuable from time to time upon conversion of the Preferred Stock), in lieu of a share of Common Stock),
(b) one Class A warrant to purchase one share of Common Stock (the &ldquo;<U>Class A Warrants</U>&rdquo;), and (c) one Class B warrant
to purchase one share of Common Stock (the &ldquo;<U>Class B Warrants</U>,&rdquo; and collectively, with the Class A Warrants, the &ldquo;<U>Warrants</U>&rdquo;));
and (B) $258,750 of underwriters&rsquo; warrants to purchase shares of Common Stock (and the shares of Common Stock issuable from time
to time upon exercise of the Underwriters&rsquo; Warrants) (the &ldquo;<U>Underwriters&rsquo; Warrants</U>&rdquo;). Each share of Preferred
Stock will be convertible into one share of Common Stock. The Common Stock, Preferred Stock, Warrants, and Underwriters&rsquo; Warrants
are referred to herein collectively as the &ldquo;<U>Securities</U>.&rdquo; The Securities are being sold to the several underwriters
named in, and pursuant to, an underwriting agreement among the Company and such underwriters (&ldquo;<U>Underwriting Agreement</U>&rdquo;).</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">In
connection with our opinion, we have examined the Registration Statement, including the exhibits thereto, the form of Underwriters&rsquo;
Warrant, and such other documents, corporate records and instruments, and have examined such laws and regulations, as we have deemed
necessary for the purposes of this opinion. In making our examination, we have assumed the genuineness of all signatures, the authenticity
of all documents submitted to us as originals, the conformity with the originals of all documents submitted to us as copies and the legal
capacity of all natural persons. As to matters of fact material to our opinions in this letter, we have relied on certificates and statements
from officers and other employees of the Company, public officials and other appropriate persons.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">Based
on the foregoing and subject to the qualifications set forth below, we are of the opinion that:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">1.
The Securities have been duly authorized for issuance by all necessary corporate action by the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">2.
The shares of Common Stock, when issued and sold as described in the Registration Statement, will be validly issued, fully paid and non-assessable.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">3.
The shares of Preferred Stock, if purchased in lieu of Common Stock, when issued and sold as described in the Registration Statement,
will be validly issued, fully paid and non-assessable.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">4.
Provided that the Units, the Warrants and Underwriters&rsquo; Warrants have been duly executed and delivered by the Company and duly
delivered to the purchasers or underwriters, such Units, Warrants and Underwriters&rsquo; Warrants, when issued as contemplated in the
Registration Statement, will be valid and binding obligations of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">5.
The shares of Common Stock issuable pursuant to each of the Class A Warrants, Class B Warrants and Underwriter&rsquo;s Warrants, upon
payment to the Company of the required consideration, and when issued and sold by the Company and paid for in accordance with the terms
of the Class A Warrants, Class B Warrants, or Underwriters&rsquo; Warrants, as applicable, and as described in the Registration Statement,
will be validly issued, fully paid and non-assessable.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">6.
The shares of Common Stock issuable pursuant to the conversion of the Preferred Stock, and when issued by the Company in accordance with
the terms of the Preferred Stock, as described in the Registration Statement, will be validly issued, fully paid and non-assessable.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">The
opinions set forth above are subject to the following qualifications:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">A.
The opinion expressed herein with respect to the legality, validity, binding nature and enforceability of the Units, Warrants and Underwriters&rsquo;
Warrant is subject to (i) applicable laws relating to bankruptcy, insolvency, reorganization, moratorium, fraudulent transfer or other
similar laws affecting creditors&rsquo; rights generally, whether now or hereafter in effect and (ii) general principles of equity, including,
without limitation, concepts of materiality, laches, reasonableness, good faith and fair dealing and the principles regarding when injunctive
or other equitable remedies will be available (regardless of whether considered in a proceeding at law or in equity).</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">B.
The foregoing opinions are limited to the laws of the State of New York and the General Corporation Law of Delaware, and we express no
opinion as to the laws of any other jurisdiction.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">The
opinions expressed in this opinion letter are as of the date of this opinion letter only and as to laws covered hereby only as they are
in effect on that date, and we assume no obligation to update or supplement such opinion to reflect any facts or circumstances that may
come to our attention after that date or any changes in law that may occur or become effective after that date. The opinions herein are
limited to the matters expressly set forth in this opinion letter, and no opinion or representation is given or may be inferred beyond
the opinions expressly set forth in this opinion letter.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">We
hereby consent to the filing of this opinion with the Commission as an exhibit to the Registration Statement and to the use of this firm&rsquo;s
name under the caption &ldquo;Legal Matters&rdquo; in the Registration Statement. In giving this consent, we do not thereby admit that
we are within the category of persons whose consent is required under Section 7 of the Securities Act or the rules and regulations of
the Commission promulgated thereunder.&nbsp;.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

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    <TD STYLE="width: 50%"><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD STYLE="width: 50%"><FONT STYLE="font-size: 10pt; color: Black">Very truly yours,</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD></TR>
  <TR STYLE="vertical-align: bottom">
    <TD><FONT STYLE="color: Black">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt; color: Black">/s/ Schiff Hardin LLP</FONT></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify; text-indent: 0.5in"><FONT STYLE="color: Black">&nbsp;</FONT></P>

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<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>ea150318ex23-1_bluejay.htm
<DESCRIPTION>CONSENT OF WOLF AND COMPANY, P.C.
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: right"><FONT STYLE="color: Black"><B>Exhibit 23.1</B></FONT></P>

<P STYLE="text-align: center; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0pt; margin-bottom: 0pt">CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><BR>
We consent to the incorporation by reference in this Registration Statement on Form S-1 of Bluejay Diagnostics, Inc. filed pursuant to
Rule 462(b) under the Securities Act of 1933, as amended, of our report dated June 30, 2021, relating to the financial statements of Bluejay
Diagnostics, Inc., appearing in the Prospectus, which is incorporated by reference in this Registration Statement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">We also consent to the reference to our Firm under the caption &ldquo;Experts&rdquo;
in such Prospectus.<BR>
<BR>
</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">/s/ Wolf &amp; Company, P.C.<BR>
<BR>
</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Wolf &amp; Company, P.C.<BR>
Boston, Massachusetts</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">November 9, 2021</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt; text-align: justify"><FONT STYLE="color: Black"></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"><FONT STYLE="color: Black">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt"></P>

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