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

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

The U.S. Centers for Disease Control and Prevention (CDC) is preparing to study whether vaccines are linked to autism ...

The reported plans come amid the largest measles outbreak in years. Experts and officials have stressed vaccination.

Adults born before 1957 are assumed to have natural immunity because they were likely exposed to measles before the vaccine ...

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 CDC suggests if a parent or child are unvaccinated and plan to travel internationally or domestically, they should check ...

The Department of Health and Human Services, headed by RFK Jr., is responding to reports that the CDC will begin researching the widely refuted theory that links autism to vaccines.

President Donald Trump and HHS Secretary Robert F. Kennedy Jr. have repeatedly raised the idea that autism could be linked to ...