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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, DC 20549

                                  SCHEDULE 13G

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                               (AMENDMENT NO. 1)*

                              CERUS CORPORATION
--------------------------------------------------------------------------------
                              (Name of Issuer)

                    COMMON SHARES $0.001 PAR VALUE PER SHARE
--------------------------------------------------------------------------------
                       (Title of Class of Securities)

                                  157085 10 1
--------------------------------------------------------------------------------
                                 (CUSIP Number)


                               Charles W. Thurman
                            BAXTER INTERNATIONAL INC.
                                       and
                           SUBSIDIARIES PENSION TRUST
                               One Baxter Parkway
                            Deerfield, Illinois 60015
                                 (847) 948-2403
 -------------------------------------------------------------------------------
                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)

                                February 3, 2004
--------------------------------------------------------------------------------
            (Date of Event Which Requires Filing of this Statement)

         Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

                  [X]    Rule 13d-1(b)

                  [ ]    Rule 13d-1(c)

                  [ ]    Rule 13d-1(d)

*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).


PERSONS WHO RESPOND TO THE COLLECTION OF INFORMATION CONTAINED IN THIS FORM ARE
NOT REQUIRED TO RESPOND UNLESS THE FORM DISPLAYS A CURRENTLY VALID OMB CONTROL
NUMBER.

SEC 1745 (12-02)

This Amendment No. 1 to Schedule 13G relates to the holdings of Baxter
International Inc. and Subsidiaries Pension Trust, a trust organized under the
laws of Massachusetts ("Holder") of common stock, $0.001 par value per share
("Common Stock") of Cerus Corporation, a Delaware corporation (the "Company").
This Amendment No. 1 to Schedule 13G amends and restates Item 4 of the Holder's
Schedule 13G dated December 16, 2003 relating to its holdings of Common Stock of
the Company.



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ITEM 4.  OWNERSHIP.

Item 4 is hereby amended and restated in its entirety as follows:

Provide the following information regarding the aggregate number and percentage
of the class of securities of the issuer identified in Item 1.

         (a)   Amount beneficially owned:  2,300,000 shares*

         (b)   Percent of class:  10.4%

         (c)   Number of shares as to which the person has:

               (i)   Sole power to vote or to direct the vote:  2,300,000.

               (ii)  Shared power to vote or to direct the vote:  0.

               (iii) Sole power to dispose or to direct the disposition of:
                        2,300,000.

               (iv)  Shared power to dispose or to direct the disposition of: 0.


* On February 3, 2004, Baxter International Inc. ("Baxter") and State Street
Bank and Trust Company ("State Street") entered into an Agreement, pursuant to
which Baxter engaged State Street to liquidate the Holder's holdings of
2,300,000 shares of Common Stock of the Company (the "Agreement"). Under the
Agreement, State Street has agreed to use its best efforts to complete the
liquidation of such shares of Common Stock not later than January 31, 2005,
subject to any volume limits that may apply pursuant to federal securities laws
and regulations.


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                                    SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, the
undersigned trust certifies that the information set forth in this Statement is
true, complete and correct.

Dated:  February 4, 2004



                                               BAXTER INTERNATIONAL INC. and
                                               SUBSIDIARIES PENSION TRUST


                                               By: /s/ Charles W. Thurman
                                                   ----------------------
                                                   Charles W. Thurman for
                                                   Its Investment Committee



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