Seracare Life Sciences (SRLS) 10-Q 2009 Q1 Quarterly report

EXHIBIT 32.1

CERTIFICATION PURSUANT TO
SECTION 1350, CHAPTER 63 OF TITLE 18, UNITED STATES CODE,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

     In connection with the Quarterly Report of SeraCare Life Sciences, Inc. (the “Company”) on Form 10-Q for the fiscal period ended December 31, 2008 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of the undersigned, Susan L.N. Vogt, Chief Executive Officer of the Company, and Gregory A. Gould, Chief Financial Officer of the Company, certifies pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that, to his or her knowledge:

     (1) the Company’s Form 10-Q for the period ended December 31, 2008 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

     (2) the information contained in the Company’s Form 10-Q for the period ended December 31, 2008 fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Susan L.N. Vogt

Susan L.N. Vogt
President and Chief Executive Officer

Date: February 17, 2009

/s/ Gregory A. Gould

Gregory A. Gould
Chief Financial Officer

Date: February 17, 2009