



Rep. Byron Donalds told CBS's Face the Nation that measles outbreaks trace to “rampant illegal immigration” under the Biden administration, offering El Paso and Southwest Florida as evidence when pressed. FactCheck.org found no such link in either location, and infectious disease experts instead point to falling U.S. childhood vaccination rates as the driver behind 2,903 confirmed 2026 cases, already topping last year's 2,289 — the highest since 1991.
CDC does not track immigration status of measles patients, and even the one documented outbreak in a detention facility would account for under 6% of this year's cases. Meanwhile the U.S., measles-free since 2000, is now facing possible loss of that elimination status when the Pan American Health Organization reviews the data in November.
Experts note the pattern is an old one: blaming immigrants for disease spread while the actual data point toward domestic unvaccinated communities and outbreaks like the 762-case cluster that began in West Texas in early 2025.
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