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US faces loss of measles-free status as experts meet for review
Experts say more than 5,000 U.S. measles cases and 43 outbreaks this year could threaten the country’s elimination status.
NBC News reports that more than 5,000 confirmed cases and 43 new outbreaks have occurred this year, threatening the country's measles elimination status. This development marks a significant challenge for public health efforts nationwide.
Childhood vaccination rates have fallen below the 95% immunization threshold needed to prevent virus spread, according to an NBC News and Stanford University analysis.
In Lancaster County, Pennsylvania, the share of kindergarteners receiving the MMR vaccine in 2025-26 dropped to 87.6%, a significant decline from the 95.5% coverage level reported before the pandemic.
The current outbreaks have resulted in eight deaths, including infants too young to receive vaccinations, reflecting the severe health consequences of declining immunization coverage across the country.
Losing elimination status would position the country alongside Canada as the only nations in the Americas to have lost control of the virus, reversing decades of progress against the world's most contagious disease.