-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FX87+N9vztlKSyTmAguyQA0O/VvfUwCWmHoG3MjJdz1SzaAY6Mq9QDgyA9WawPnT
 tSetav/UKER1SAIqO0FAqg==

<SEC-DOCUMENT>0001179110-06-019514.txt : 20061004
<SEC-HEADER>0001179110-06-019514.hdr.sgml : 20061004
<ACCEPTANCE-DATETIME>20061004201816
ACCESSION NUMBER:		0001179110-06-019514
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061002
FILED AS OF DATE:		20061004
DATE AS OF CHANGE:		20061004

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CERUS CORP
		CENTRAL INDEX KEY:			0001020214
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				680262011
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2411 STANWELL DR
		CITY:			CONCORD
		STATE:			CA
		ZIP:			94520
		BUSINESS PHONE:		9252886000

	MAIL ADDRESS:	
		STREET 1:		2525 STANWELL DRIVE
		STREET 2:		STE 300
		CITY:			CONCORD
		STATE:			CA
		ZIP:			94520

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CERUS TECHNOLOGIES INC
		DATE OF NAME CHANGE:	19960731

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DAWSON WILLIAM J
		CENTRAL INDEX KEY:			0001226139

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21937
		FILM NUMBER:		061129667

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		9252886000

	MAIL ADDRESS:	
		STREET 1:		C/O CERUS CORPORATION
		STREET 2:		2411 STANWELL DRIVE
		CITY:			CONCORD
		STATE:			CA
		ZIP:			94520
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
</DOCUMENT>
</SUBMISSION>