<ARTICLE> 5
<LEGEND>
THIS RESTATED SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
PFIZER INC. AND SUBSIDIARY COMPANIES CONDENSED CONSOLIDATED BALANCE SHEET FOR
APRIL 4, 1999 AND CONDENSED CONSOLIDATED STATEMENT OF INCOME FOR THE THREE
MONTHS ENDED APRIL 4, 1999 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO
SUCH FINANCIAL STATEMENTS RESTATED AS DESCRIBED IN FOOTNOTE 1 BELOW.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-END>                               APR-04-1999
<CASH>                                           1,166
<SECURITIES>                                     3,039
<RECEIVABLES>                                    3,543
<ALLOWANCES>                                      (73)
<INVENTORY>                                      1,704
<CURRENT-ASSETS>                                10,749
<PP&E>                                           7,024
<DEPRECIATION>                                 (2,493)
<TOTAL-ASSETS>                                  19,025
<CURRENT-LIABILITIES>                            7,752
<BONDS>                                            525
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           213
<OTHER-SE>                                      18,443
<TOTAL-LIABILITY-AND-EQUITY>                    19,025
<SALES>                                          3,524
<TOTAL-REVENUES>                                 3,927
<CGS>                                              546
<TOTAL-COSTS>                                      546
<OTHER-EXPENSES>                                   655
<LOSS-PROVISION>                                     9
<INTEREST-EXPENSE>                                  41
<INCOME-PRETAX>                                  1,149
<INCOME-TAX>                                       333
<INCOME-CONTINUING>                                815
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       815
<EPS-BASIC>                                        .22
<EPS-DILUTED>                                      .21
<FN>
<F1>This restated schedule reflects the June 1999 three-for-one stock split
    in the form of a 200 percent stock dividend.
</FN>