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How common are measles deaths in the United States as vaccination rates fall?
CNN • • general
Key Points:
- Pennsylvania has reported a fourth measles death this year, marking the highest annual death toll in the U.S. since 1992, amid rising cases and declining vaccination rates.
- Measles deaths in the U.S. have been rare due to effective vaccination, but recent outbreaks have led to increased hospitalizations and fatalities, with Pennsylvania alone recording at least 693 cases and 133 hospitalizations.
- Globally, measles remains a major cause of death in low-income countries, with an estimated 95,000 deaths in 2024, primarily due to weaker healthcare infrastructure and lower vaccination coverage.
- The recent deaths in Pennsylvania involved individuals with underlying health conditions, including infants with severe genetic disorders and adults with chronic illnesses, highlighting the increased risk for vulnerable populations.
- Vaccination remains the most effective prevention, offering 97% protection, and while complications like acute disseminated encephalomyelitis (ADEM) can occur, there is no evidence the virus has mutated to become more deadly.
