Measles exposure at Phoenix Sky Harbor Airport on Jan. 29, 2026, prompts health alert for those present.

The Maricopa County Department of Public Health reported a measles exposure at Phoenix Sky Harbor International Airport’s Terminal 4 on January 29, 2026, between 4 p.m. and 8:30 p.m. Individuals present during that time are advised to monitor for symptoms until February 19. This follows a prior exposure in Mesa. Measles symptoms include high fever, cough, runny nose, red eyes, and a blotchy rash. Three cases have been confirmed in Maricopa County, with more in Gilbert. Health officials urge vaccination, especially for unvaccinated adults, and advise those with symptoms to contact a healthcare provider before visiting.