Pennsylvania Measles Outbreak Tops 1,000 Cases, Marking Largest U.S. Surge Since Elimination
Pennsylvania has reported 1,066 outbreak-linked measles cases, pushing the state into the center of the nation’s largest measles surge since the disease was declared eliminated in the United States. The scale of the outbreak underscores how quickly a highly contagious, vaccine-preventable virus can spread when immunization coverage weakens and public health response is strained.
