Pinal County health officials have confirmed the first community case of measles in 2026—but key details about where potential exposure may have occurred have not been publicly released.

According to the Pinal County Public Health Services District, the case involves an unvaccinated Pinal County resident. Officials noted that the individual was exposed to measles outside of the county, but later visited an emergency healthcare facility within Pinal County while potentially infectious.

As of publication, the specific facility and location within Pinal County have not been disclosed. Health officials say they are working with local and state partners to directly notify individuals who may have been exposed, rather than issuing a broad public location.

This marks the fourth confirmed measles case in Pinal County this year. The first three cases were tied to individuals in federal custody at a detention facility and were not considered community spread.

Measles is a highly contagious virus that spreads through the air and can remain in a space for up to two hours after an infected person leaves. Early symptoms often include a fever above 101 degrees, red or watery eyes, cough, and a runny nose. A red, blotchy rash typically develops a few days later, beginning near the face and hairline.

Health officials say symptoms usually appear 7 to 12 days after exposure but can take up to 21 days.

Across Arizona, measles cases have been rising. Statewide totals include multiple cases in Maricopa County and a significantly higher number reported in Mohave County.

Officials are urging residents to be aware of symptoms and to contact a healthcare provider before seeking in-person care if they suspect exposure, to help prevent further spread.

At this time, no additional public exposure sites in Pinal County have been identified or released.