CDC publishes investigation of Arizona’s July 2025 plague death
A new MMWR report examines an older fatal case and the response to possible exposures.
AT A GLANCE
A new MMWR report examines an older fatal case and the response to possible exposures.
- Event status: confirmed, as of Oct 1, 2026.
- Reported location: Coconino County, Arizona, United States. This is a historical event record.
What the source reports
The October 1, 2026 CDC report describes a fatal pneumonic plague infection in Coconino County in July 2025. Laboratory testing confirmed Yersinia pestis after the patient died. Investigators identified 46 potentially exposed people; none developed illness after receiving preventive treatment.
Possible exposure to ill cats was investigated, but animal samples were unavailable for testing. The publication date is recent; the infection occurred in 2025 and stays in the historical event archive.
Read the original source
PRIMARY SOURCEUS Centers for Disease Control and PreventionThis is an independent editorial summary. The linked source is the reference for the underlying reporting. Translated summaries do not replace the original wording.
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