A recent outbreak of measles is prompting questions about the life-threatening disease and how to prevent it. Here's what to ...

If you've already been vaccinated for measles, do you need to get a booster now that it's spreading in the US?

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.

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

Presented by The Coalition to Strengthen America’s Healthcare — Secretary of the Department of Health and Human Services ...

People at high risk for infection who got the shots many years ago may want to consider getting a booster if they live in an ...

The vaccine is the only way to prevent measles, but it also prevents other illnesses. The other “M” stands for mumps, and the ...

Measles vaccination rates in parts of Colorado have dropped below the threshold for community immunity, and health ...

The number of measles cases associated with an outbreak in western Texas has grown to 198, according to new data released ...

The DSHS reports that 79 of the confirmed cases involved individuals who had not received the measles, mumps, and rubella (MMR) vaccine, while 62 cases had unknown vaccine status. At least five ...