The number of Arizona counties impacted by measles continues to grow. Pima County is the latest to report an infection.
Arizona’s current measles outbreak is the state’s largest in more than 30 years. The state first reported four measles cases in June in Navajo County. Since then, the outbreak has grown to 214 cases. The vast majority of those — 208 cases — have been in Mohave County, mostly in the geographically isolated community of Colorado City.
But Coconino County reported its first measles case last week, and now Pima County has reported a case…