Vaccination remains the best defense, health experts say. But some infections occur regardless, and can come as a traumatic surprise.
Tag: Provincetown (Mass)
Vaccinated People May Spread the Virus, Though Rarely, C.D.C. Reports
The agency cited an outbreak in Provincetown, Mass., in which most of the infected were immunized. An internal C.D.C. document paints an even more harrowing picture.