The diease is mostly found in rural areas of northern Arizona, western Nevada, northern New Mexico, southern Colorado, California, southern Oregon, according to the U.S. Centers for Disease Control and Prevention.

A person in northern Arizona died from bubonic (pneumonic) plague, marking Coconino County's first death from the disease since 2007.

FLAGSTAFF — Coconino County Health and Human Services (CCHHS) officials received confirmatory test results July 11, 2025, and have confirmed that a Coconino County resident has died from pneumonic plague,

The Arizona Public Health Association is advising the public that there is no need to worry about the plague, despite one person in Flagstaff dying from the disease.