
Mesa braces for a major measles surge; health officials urge vaccination
Maricopa County reports Mesa’s largest measles outbreak in about 30 years, with 15 confirmed cases in 2026 and exposures tied to events at the Arizona Athletic Grounds in southeast Mesa (April 23 and May 5–7). Officials urge vaccination, noting the two-dose measles vaccine is about 95% effective and that rates below 90% risk ongoing transmission; unvaccinated adults are also at risk. Residents should review exposure locations, get vaccinated if not up to date, and isolate for 14 days if symptoms appear.












