Mesa latest site of growing East Valley measles outbreak
Phoenix New Times • • health
Key Points:
- Maricopa County reported three new measles cases linked to an East Valley outbreak, raising the total to 13 cases in 2025, the highest since at least 2006.
- The majority of cases (96%) are among unvaccinated individuals, though details on age distribution and severity have not been disclosed.
- Statewide, Arizona has recorded 311 measles cases this year, mostly in Colorado City, where vaccination rates are low; 24 people have been hospitalized but no deaths reported.
- The East Valley outbreak has expanded from initial cases in Gilbert and Queen Creek to multiple exposure sites in Mesa, including churches, grocery stores, and fast food restaurants.
- Health officials advise monitoring for measles symptoms such as high fever, runny nose, and rash for up to 21 days, and recommend staying home and contacting a healthcare provider if symptoms develop.
