Reuters -- Rotavirus vaccines made by GlaxoSmithKline Plc and Merck & Co Inc are safe to use despite being contaminated with a pig virus, U.S. health regulators ruled on Friday.
Reuters -- Rotavirus vaccines made by GlaxoSmithKline Plc and Merck & Co Inc are safe to use despite being contaminated with a pig virus, U.S. health regulators ruled on Friday.