Seven new measles cases were identified in Maricopa County, lifting the 2026 total to 21 — far above the county’s average of one case a year over the past 30 years.
Two possible exposure sites were flagged: Tempe Marketplace on July 6 from 5:00-8:30 p.m. and a Walmart in Surprise on July 12 from 2:00-6:00 p.m.
Health officials said the added cases point to ongoing local transmission during the outbreak and renewed the call for vaccination and early symptom recognition.
Two MMR doses can prevent measles; officials urged anyone at the listed locations to check vaccination records, watch for symptoms and contact a healthcare provider if illness develops.
Symptoms can emerge 7-21 days after exposure, typically starting with fever, cough, runny nose and red, watery eyes before a body-wide rash appears.