MEXICO CITY–(BUSINESS WIRE)–A.M. Best has revised the outlook to positive from stable for the Long-Term Issuer Credit Rating (Long-Term ICR) and affirmed the Financial Strength Rating (FSR) of B++ (Good) and the Long-Term ICR of “bbb” of Worldwide Medical Assurance, Ltd. Corp. (WWMA) (Panama City, Panama). The outlook of the FSR remains stable. The revised Long-Term ICR outlook to positive reflects WWMA’s continued strong risk-adjusted capitalization, conservative investment strategy, strong