04/15/2026
California is seeing a concerning rise in measles cases, with multiple outbreaks already reported in 2026—the highest levels in years. Most cases are linked to unvaccinated individuals, highlighting ongoing risks to community health.
Vaccination remains the most effective way to prevent the spread and protect vulnerable populations.
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A measles outbreak in the Sacramento region, the largest in California this year, has brought the state’s year-to-date measles cases to 39 — far surpassing yearly totals for the last several...