Why are measles cases popping up across the United States? Here's what to know about the highly contagious virus
Nearly a dozen cases of measles have been reported in Pennsylvania, Virginia and Georgia in recent weeks, according to local health departments. International travel, coupled with declining global vaccination rates, is probably behind this spate of cases, experts say.
Nearly a dozen cases of measles have been reported in Pennsylvania, Virginia and Georgia in recent weeks, according to local health departments. International travel, coupled with declining global vaccination rates, is probably behind this spate of cases, experts say.
