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