Feb 15 - Fitch Ratings said today that the ratings of Coventry Health Care, Inc. (Coventry) remain on Ratings Watch Positive pending the close of Coventry's previously announced acquisition by Aetna Inc. (Aetna). These ratings include the company's long-term Issuer Default Rating (IDR) of 'BBB' and the 'BBB-' ratings on the company's senior unsecured securities. A complete list of affected ratings appears below. Todays' rating actions follow completion of Fitch's review of interim events le