UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                 SCHEDULE 13G/A

                    Under the Securities Exchange Act of 1934
                               (Amendment No. 4)*


                             V.I. Technologies, Inc.
                             -----------------------
                                (Name of Issuer)


                          Common Stock, $.01 par value
                          ----------------------------
                         (Title of Class of Securities)


                                  917920 10 0
                                  -----------
                                 (CUSIP Number)

                               December 31, 2003
                               -----------------
             (Date of Event Which Requires Filing of this Statement)

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

 [ ] Rule 13d-1(b)

 [X] 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).

SEC 1745 (3-98)







CUSIP No.    917920 10 0


1   Name of Reporting Person:   Pall Corporation
    I.R.S. Identification No. of above person (entities only): 11-1541330

2   Check the Appropriate Box if a Member of a Group (See Instructions): (a) [ ]
                                                                         (b) [X]

3   SEC Use Only

4   Citizenship or Place of Organization: New York


   NUMBER OF      5    Sole Voting Power:  6,174,590 shares
    SHARES
 BENEFICIALLY     6    Shared Voting Power: -0-
   OWNED BY
     EACH         7    Sole Dispositive Power:  6,174,590 shares
   REPORTING
    PERSON        8    Shared Dispositive Power: -0-
     WITH

9   Aggregate Amount Beneficially Owned by Each Reporting Person:
                                                                6,174,590 shares

10  Check if the Aggregate Amount in Row (9) Excludes Certain Shares
                                                         (See Instructions): [ ]

11  Percent of Class Represented by Amount in Row (9):  13.4%*

12  Type of Reporting Person:  CO
___________________

*    The  Issuer  has  advised  the  Reporting  Person  that as of the  close of
     business on December 31, 2003, there were 45,929,875 shares of Common Stock
     outstanding.

                               Page 2 of 5 Pages




Item 1.

(a)     Name of Issuer: V.I. Technologies, Inc.

(b)     Address of Issuer's Principal Executive Offices:
                                                  134 Coolidge Avenue
                                                  Watertown, Massachusetts 02472

Item 2.

(a)     Name of Person Filing: Pall Corporation

(b)     Address of Principal Business
          Office or, if none, Residence:   2200 Northern Boulevard
                                           East Hills, New York 11548

(c)     Citizenship: New York

(d)     Title of Class of Securities: Common Stock, $.01 par value

(e)     CUSIP Number:  917920 10 0

Item 3.

        Not applicable.

Item 4. Ownership

        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 (as of December 31, 2003): 6,174,590 shares

(b) Percent of class: 13.4%*


___________________

*    The  Issuer  has  advised  the  Reporting  Person  that as of the  close of
     business on December 31, 2003, there were 45,929,875 shares of Common Stock
     outstanding.

                               Page 3 of 5 Pages






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

         (i) sole power to vote or to direct the vote: 6,174,590 shares

         (ii) shared power to vote or to direct the vote: -0-

         (iii) sole power to dispose or to direct the disposition of:
                                                                6,174,590 shares

         (iv) shared power to dispose or to direct the disposition of: -0-

Item 5. Ownership of Five Percent or Less of a Class

                  If this statement is being filed to report the fact that as of
the date hereo f the reporting person has ceased to be the beneficial owner of
more than five percent of the class of securities, check the following .[ ]

Item 6. Ownership of More than Five Percent on Behalf of Another Person

        Not applicable.

Item 7. Identification  and  Classification  of the  Subsidiary  Which  Acquired
        the Security Being Reported on By the Parent Holding Company or Control
        Person

        Not applicable.

Item 8. Identification and Classification of Members of the Group

        Not applicable.

Item 9. Notice of Dissolution of Group

        Not applicable.

                               Page 4 of 5 Pages






Item 10. Certification

     By  signing  below,  the  undersigned  certifies  that,  to the best of its
knowledge and belief, the securities referred to above were not acquired and are
not held for the purpose of or with the effect of changing  or  influencing  the
control of the issuer of the  securities  and were not acquired and are not held
in connection with or as a participant in any transaction having that purpose or
effect.

                                    SIGNATURE

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


January 26, 2004

                                            PALL CORPORATION



                                            By: /s/ Mary Ann Bartlett
                                                ---------------------
                                                  Mary Ann Bartlett
                                                  Secretary



                               Page 5 of 5 Pages