Stephen Krahling was a published cancer researcher when vaccine maker Merck brought him on board as a virologist in 1999. That’s when he says he found himself embroiled in an all-hands-on-deck ...

Scientist Stephen Krahling worked on a project at Merck called “Protocol 7” and was uniquely positioned to blow the whistle on what he learned.

It will compete with Merck & Co's equally well-established MMR II vaccine in the US, which has had the market mostly to itself since it was approved by the FDA in the 1970s, as well as Merck's ...