Measles Exposure Alert Issued for Queen Creek and Mesa After Sixth County Case

20 articles · Updated · Arizona's Family · Apr 16

Maricopa County has confirmed its sixth measles case of 2026, identifying public exposure sites in Mesa and Queen Creek.
Exposure may have occurred at a youth basketball game, Costco, Walmart, and a church event in early April, with no known source of infection.
Officials urge residents to check vaccination status, as measles is highly contagious and Arizona is experiencing a rise in cases this year.

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