MONDAY, July 14, 2025 (HealthDay News) — An Arizona resident has died from pneumonic plague, a rare but serious illness, health officials confirmed. The death happened in Coconino County in Northern Arizona, which includes Flagstaff. Officials gave no information about the person who died, The Associated Press reported.

The patient was recently treated at an emergency department in Flagstaff and died the same day, Northern Arizona Healthcare said.

The resident died from pneumonic plague, the first such death in Coconino County, Ariz., since 2007, the county said.