Two new reports examining recent US measles outbreaks highlight the challenges of containing the spread of the disease in certain communities in CIDRAP - Center for Infectious Disease Research & Policy - University of Minnesota. 

The first report, published last week in Morbidity and Mortality Weekly Report (MMWR) by a Centers for Disease Control and Prevention–led team, examines the 2025 measles outbreak in a close-knit community in West Texas. Published this week in Vaccine, the second report takes a close look at the 2025-26 school-based outbreak in South Carolina. 

Both reports conclude that maintaining high measles vaccination coverage is the most effective intervention for preventing measles and limiting disruptions to schools and communities. The two outbreaks were the largest in the country in the past two years, reaching numbers not seen in decades.

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