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.

The Texas measles outbreak is raising a lot of questions about whether you need another measles vaccines. Here's what ...

Robert F. Kennedy Jr., a longtime vaccine skeptic, seemingly reversed course and touted benefits of MMR vaccine amid deadly ...

The COVID-19 vaccine has prompted more than 10 times as many reports of adverse symptoms than the measles vaccine.

Widespread immunization prevents outbreaks, including the one in Texas that has infected at least 198 people and led to 1 ...

The U.S. can restore confidence in its public health institutions and those who represent them if it responds decisively in ...

The Centers for Disease Control and Prevention (CDC) has issued new travel guidance amid a growing measles outbreak just in time for spring break.