The recent surge in measles cases in the US indicates a failure in maintaining herd immunity through vaccination.

"US measles cases grow by 8% in 1 week for a total of 4,410 cases" • 4,410 cases, up 330 (+8%) in 7 days • 2025: 2,289 cases • 2024: 285 cases • 42 outbreaks reported this year • Pennsylvania: 1,260 cases and 6 deaths • 96% of cases unvaccinated or vaccination status unknown Source: https://www.cidrap.umn.edu/measles/us-measles-cases-grow-8-1-week-total-4410-cases

Measles is absolutely tearing through unvaccinated communities. There were more new cases of measles in the US in the past seven days (330) than we had in ALL of 2024 (285). A total 4,410 cases this year, which everyone agrees is an undercount. www.cidrap.umn.edu/measles/us-m... US measles cases grow by 8% in...

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