Measles outbreak grows in East Valley, Mesa sites identified

Mesa is the latest site of a growing measles outbreak in Maricopa County, which has 13 cases this year, the most in two decades. The county announced three new cases connected to the East Valley outbreak. Ninety-six percent of cases are in unvaccinated individuals, and measles is highly contagious and dangerous for the unvaccinated. This outbreak has grown since January, with exposure sites now concentrated in Mesa, including a church, grocery store, and Target.