...Issuer Country AAA Johnson & Johnson United States AA Novartis AG Switzerland Roche Holding Ltd Switzerland AA- Sanofi SA France A+ GlaxoSmithKline PLC United Kingdom Pfizer Inc. United States AstraZeneca PLC United Kingdom A Abbott Laboratories United States Bayer AG Germany Eli Lilly & Co. United States Merck & Co., Inc. United States A- Bristol-Myers Squibb Company United States...