Part II                                                             Exhibit 15.1

               Letter re: Unaudited Interim Financial Information

August 9, 2002

CVS Corporation
Woonsocket, Rhode Island

Board of Directors:

Re:     Registration Statements Numbers 333-49407, 33-40251, 333-34927,
        333-28043, 33-17181, 2-97913, 2-77397, 2-53766, 333-91253 and 333-63664
        on Form S-8, 333-52055 on Form S-3, 333-78253 and 333-61216 on Form S-4.

With respect to the subject registration statements, we acknowledge our
awareness of the use therein of our report dated July 26, 2002, related to our
review of interim financial information.

Pursuant to Rule 436 under the Securities Act of 1933 (the "Act"), such report
is not considered a part of a registration statement prepared or certified by an
accountant or a report prepared or certified by an accountant, within the
meaning of sections 7 and 11 of the Act.

Very truly yours,



/s/ KPMG LLP
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KPMG LLP


Providence, Rhode Island