What is bubonic plague? History, causes, symptoms as Arizona's Coconino County reports first ‘Black Death’ since 2007
A person in northern Arizona died from bubonic (pneumonic) plague, marking Coconino County's first death from the disease since 2007.
Coconino County health officials reported on July 11 that a person in northern Arizona died from bubonic (pneumonic) plague.

According to the officials, the incident has nothing to do with a recent prairie dog die-off in the region.
Authorities from Coconino County Health and Human Services stated in a statement that the person's death is the first pneumonic plague mortality in the county since 2007.
The patient suffered from Yersinia pestis, the plague-causing bacteria, according to Northern Arizona Healthcare, which was determined by the Arizona Department of Health Services through rapid diagnostic testing.
Bubonic plague history
Historically, the plague has been linked to Europe's Middle Ages, when it was widespread and caused one of the bloodiest outbreaks in the continent's history. It is also called “The Black Death.”
According to Centers for Disease Control and Prevention data, there have been an average of seven cases of bubonic plague reported every year since 2000, making instances of the disease exceedingly uncommon in the US. Deaths from the plague are much less common; and the last one occurred in the US in 2021.
The majority of documented cases, however, originate from the southwestern states of Arizona, New Mexico, southern Colorado, Nevada, California, and southern Oregon.
Bubonic plague: Causes and symptoms
The CDC report stated that fleas and wild rodents are the carriers of the bacteria responsible for the plague, which is typically contracted by coming in contact with an infected animal or by being bitten by an infected rodent flea.
Fever, headaches, chills, weakness, and one or more swollen, sore lymph nodes are typical symptoms, as per the CDC.
Bubonic plague: Prevention
If detected and treated early, the illness can be managed with appropriate antibiotic therapy and can become pneumonic (affecting the lungs) or septicemic (spreading throughout the bloodstream), stated health officials.
In a bid to prevent exposure to plague, one should avoid contact with wild animals and fleas and take sick pets to the clinic.
ABOUT THE AUTHORShweta KukretiShweta Kukreti has over 8 years of experience in covering Indian and world politics. She joined the Hindustan Times in 2024 and is primarily assigned to the US desk. She currently works as Deputy Chief Content Producer and reports on a wide range of topics, including US politics, immigration issues (especially H-1B visa) and major global events. Shweta strongly emphasizes team operations, which encompasses monitoring news, delegating tasks, editing, developing comprehensive coverage strategies, and crafting engaging, and data-informed narratives. She received the Digi Star Award at the Hindustan Times within a year of joining for her broad coverage of US politics. In 2025, she earned both a promotion and a redesignation, a significant achievement recognising her contributions and the strong value she brings to the team. She has previously worked with the Indian Express, HTDS, ANI and Republic World. Seniors in all the media organisations recognised her work. Regarding education, she earned a BA (Hons.) in Political Science and a master's degree from Delhi University, and she pursued a PG Diploma in English Journalism from the Indian Institution of Mass Communication (IIMC). She also holds a diploma in Women's Empowerment and Development from IGNOU University and a French certification course from Alliance Française de Delhi. If not working, you can find her exploring the hills and engaging in adventurous activities in Rishikesh and Himachal Pradesh. She loves to play badminton, volleyball, and chess, and spend time with her friends and family. She also enjoys spiritual activities.Read More

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