AM Best announced it has downgraded the Financial Strength Rating to A- (Excellent) from A (Excellent) and the Long-Term Issuer Credit Ratings to “a-” (Excellent) from “a” (Excellent) of Pharmacists Mutual Insurance Company (PMIC) and its wholly owned reinsured subsidiary, Chiron Insurance Company (Chiron). At the same time, AM Best has downgraded the Long-Term Issu

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