<PAGE>   1
                                                     REGISTRATION NO. 33-65396
                                                     RULE NO. 424(b)(3)

 
                       SUPPLEMENT DATED JANUARY 18, 1994
                     TO PROSPECTUS DATED DECEMBER 22, 1993
                AND PROSPECTUS SUPPLEMENT DATED JANUARY 7, 1994
 
                            ------------------------
 
     CIGNA Corporation ("CIGNA") anticipates that it will have exposure as a
result of the earthquake that occurred in California on January 17, 1994. As of
January 18, 1994, CIGNA does not have sufficient information from which to
estimate its losses associated with the earthquake.



© 2022 IncJournal is not affiliated with or endorsed by the U.S. Securities and Exchange Commission