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Rethinking Measles Boosters for Adults in Light of a Growing Outbreak
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health
A measles outbreak that began in Texas earlier this year has spread rapidly. By late March 2025, confirmed U.S. cases stood at 483. The surge raises questions about adult immunity, especially for those unsure about their vaccination history. About 93% of cases are linked to the Texas cluster, with spillover into nearby states where vaccination coverage varies. The outbreak mainly involves unvaccinated individuals, prompting debates on whether adults need a measles booster.
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