


                                                               EXHIBIT 99(a)

                         CONSENT OF SHELI Z. ROSENBERG

The undersigned hereby consents to the inclusion of her name in the Joint Proxy
Statement/Prospectus constituting a part of this Registration Statement on Form
S-4 as a person to become a director of CVS Corporation ("CVS") upon
consummation of the merger of North Acquisition Corp., a wholly-owned
subsidiary of CVS, with and into Revco D.S., Inc.

Signature: /s/ Sheli Z. Rosenberg
           ----------------------
           Sheli Z. Rosenberg

Date: March 28, 1997


