Overview

• The CDC reports 800 confirmed measles cases nationwide in 2025, spanning 27 states, with Texas accounting for nearly 75% of cases.
• Two unvaccinated school-aged children in Texas have died, marking the first U.S. measles fatalities in a decade.
• Recent cases in Louisiana, Missouri, and Virginia are linked to international travel, highlighting gaps in vaccination coverage.
• Approximately 96% of cases involve unvaccinated individuals or those with unknown vaccination status, emphasizing the role of vaccine hesitancy.
• Health officials urge widespread MMR vaccination to curb the outbreak and protect the U.S.'s measles elimination status, achieved in 2000.