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Merck & Co., Inc. (MRK) Accused of Lying About Vaccine Effectiveness  
7/10/2012 6:38:04 AM

Things aren't going so well lately in the litigation department for Merck, which stands accused of lying according to not just one, but two class-action lawsuits. In the first case, two former Merck virologists accuse their former employer of overstating the effectiveness of the mumps vaccine in Merck’s combination MMR shot, which may have cost the US government hundreds of millions of dollars over the past decadei. Merck’s mumps vaccine was originally licensed 45 years ago. Since the 1970s, it’s been part of the trivalent measles, mumps and rubella (MMR) vaccine, which is part of the recommended childhood vaccination schedule. The case, which was initially filed in 2010, was unsealed late last month.