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Story summary
- Officials reported measles cases exceeding any year since 1991, with 4,850 infections and three deaths since 2025.
- On June 8 2026, a Centers for Disease Control and Prevention (CDC) team began probing measles endemicity while a CDC spokesperson said data alone cannot determine endemic status.
- President Donald Trump issued an order that could raise MMR hesitancy while Robert F. Kennedy Jr. plans to overhaul the vaccine-injury compensation program that could deter manufacturers.
