Arizona Resident Dies from Pneumonic Plague
On July 11, 2025, health officials in Coconino County, Arizona, confirmed the death of a resident from pneumonic plague, marking the first fatal case in the region since 2007. The patient succumbed on arrival at Flagstaff Medical Center, where tests revealed infection with the Yersinia pestis bacterium—the most dangerous, transmissible form of the plague. Key Details Disease & Transmission: Pneumonic plague infects the lungs and can spread person-to-person via respiratory droplets; unlike bubonic plague, it lacks swollen lymph nodes and progresses rapidly. Historical Context: This is the first plague-related death in Coconino County since 2007; the U.S. sees about seven plague cases per year, primarily in western rural regions. Public Health Response: Regional authorities, including CCHHS and the CDC, are investigating the source, cautioning the public to avoid wild rodents, use flea control, treat pets, and seek prompt treatment at […]