An insidious but lesser-known consequence of even a mild measles infection is that it kills the very cells that remember which pathogens the patient has previously fought and how those battles were ...

Unvaccinated children are becoming unvaccinated adults, who are at risk of dangerous complications.

This was not yet understood in the decades before the measles, mumps and rubella vaccine's approval in 1963, when measles was a common childhood disease that killed some 400 children in the U.S ...