US EditionMeasles Vaccination Rates Drop After COVID-19 Pandemic in Counties Across the US
- In 2025, measles outbreaks surged across the U.S., with over 1,000 cases reported in 33 states, raising health concerns nationwide.
- These outbreaks coincided with a decline in MMR vaccination coverage among children, which decreased by approximately 2.7 percentage points—from nearly 94% before the pandemic to just over 91% afterward—heightening susceptibility to measles.
- Researchers led by Lauren Gardner of Johns Hopkins analyzed data from over 2,000 counties, finding more than three-quarters reported vaccine declines while a few states showed increases.
- The CDC confirmed 1,088 cases with three deaths and warned that "vaccination rates are falling below the herd immunity threshold," urging all travelers to get vaccinated.
- If vaccination declines continue, experts caution measles could return at epidemic levels, prompting efforts like Arizona’s school vaccine clinics to raise immunization coverage.
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116 Articles
Los Angeles Times
El Vocero de Puerto RicoMeasles was eliminated in the United States in 2000, and the vaccine is safe and highly effective. Public schools across the country require two doses of measles vaccine, mumps and rubella before kindergarten.
Child measles vaccination rates fell in the years following the COVID-19 pandemic in almost 80% of the more than 2,000 counties in the United States with available data, including states that are fighting outbreaks this year. A study by Johns Hopkins University and published in JAMA magazine this week illustrates where the most vulnerable communities are. The results reflect established trends at the state and national levels: routine childhood …
Associated Press News
Measles vaccination rates drop after COVID-19 pandemic in counties across the US
Childhood vaccination rates against measles fell in the years after the COVID-19 pandemic in nearly 80% of the more than 2,000 U.S. counties with available data.
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