"Measles is really the most contagious illness that we know of," one expert said, which is why vaccinations are so important.
Pennsylvania recorded its first measles case of 2025 over the weekend in a Philadelphia suburb. Why it matters: The case, ...
Health officials are investigating a confirmed case of measles in an unvaccinated Montgomery County child. Disease ...
Fears have grown that unvaccinated travelers could have been exposed to the highly contagious disease while moving through ...