In 2010, two Merck virologists filed a federal lawsuit under the False Claims Act against their former employer, alleging the vaccine maker lied about the effectiveness of their mumps vaccine (which is part of the trivalent measles, mumps, and rubella (MMR) vaccine).
The whistleblowers, Stephen Krahling and Joan Wlochowski, claimed they witnessed “firsthand the improper testing and data falsification in which Merck engaged to artificially inflate the vaccine’s efficacy findings.”
They cha...