Pennsylvania Exceeds 1,000 Measles Cases, Largest Outbreak in Decades

Pennsylvania has surpassed 1,000 measles cases, the largest outbreak in over three decades, as the US endures its worst year for measles since 1991. The outbreak is attributed to low vaccination rates and has spread to neighboring states.

Why it matters. The outbreak affects public health and could impact vaccination rates and herd immunity, especially in communities with low vaccination coverage.