Pennsylvania’s measles outbreak is the largest in decades in the U.S.
MS NOWThe state has surpassed 1,000 measles cases this year, health officials said Monday, making it the largest outbreak in the U.S. in more than three decades.
The state has surpassed 1,000 measles cases this year, health officials said Monday, making it the largest outbreak in the U.S. in more than three decades.