<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d65919_ex23-1.txt
<DESCRIPTION>CONSENT OF PRICEWATERHOUSECOOPERS LLP.
<TEXT>
                                                                    Exhibit 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration
Statement on Form S-3 of our report dated February 22, 2005 relating to the
financial statements, which appears in SIGA Technologies, Inc.'s Annual Report
on Form 10-K for the year ended December 31, 2004. We also consent to the
reference to us under the heading "Experts" in such Registration Statement.


PricewaterhouseCoopers LLP
New York, New York
November 15, 2005

</TEXT>
</DOCUMENT>
