The Office of Personnel Management has revised a memo to make clear that it’s not requiring the firing of all probationary ...

He joined us in studio Tuesday to talk about vaccines and the potential for measles cases in Indiana. You can see ...

Fox News senior medical analyst Dr. Marc Siegel speaks with HHS Secretary Robert F. Kennedy Jr. about the measles outbreak in Texas and his past skepticism of vaccines on 'Special Report.' ...

Measles has sickened nearly 150 mostly unvaccinated people in rural West Texas, and a school-age child has died.