UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549


FORM 8-K


CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): January 31, 2012


PFIZER INC.
(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code:
(212) 733-2323

Not Applicable
(Former Name or Former Address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

⃞ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

⃞ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

⃞ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

⃞ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02 Results of Operations and Financial Condition

On January 31, 2012, Pfizer Inc. (“Pfizer”) issued a press release announcing its financial results for fourth-quarter and full-year 2011. The information contained in the press release is deemed to be “filed” under the Securities Exchange Act of 1934 as Exhibit 99 to this report, and such press release is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits

(d)  Exhibits

SIGNATURE

Under the requirements of the Securities Exchange Act of 1934, the registrant has caused this report to be signed on its behalf by the authorized undersigned.

EXHIBIT INDEX