Pennsylvania’s measles outbreak is now the largest in the U.S. in three decades, as the state surpasses South Carolina’s outbreak earlier this year, which topped out at 997.

Pennsylvania’s measles outbreak is now the largest in the U.S. in three decades, as the state surpasses South Carolina’s outbreak earlier this year, which topped out at 997. ↧ Pennsylvania’s measles outbreak is the country’s largest in thr... More than 1,000 people have been infected and nearly 200 have been hospitalized as the state struggles to contain the spread of the extremely infectious disease.