Why are measles cases popping up across the United States? Here’s what to know about the highly contagious virusAmanda Musa and Carma Hassan, CNNJanuary 23, 2024 at 10:57 AM George Frey/Getty ImagesNearly 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.The Philadelphia Department of Public Health has confirmed at least nine cases of measles over the past month after a person contracted the highly contagious virus outside the United States and…
