Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Wyeth (the Company) on Form 10-Q for the fiscal quarter ended September 30, 2008, as filed with the Securities and Exchange Commission on November 5, 2008 (the Report), I, Bernard Poussot, Chairman, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report 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 Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: November 5, 2008

By:	/s/ Bernard Poussot
	Bernard Poussot
	Chairman, President and
	Chief Executive Officer