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Northern Arizona Plague Outbreak


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Plague is endemic in the southwest United States, particularly in rodents, including prairie dogs. There have been hundreds of human pneumonic plague cases in the SW in the last half century. It's pretty safe to assume that if you look for Yersinia pestis (bacteria that causes plague) in rodents or fleas on rodents in these areas, you will find it.

 

Interesting fact - a few of these human cases have likely been caused by domestic cats that ate rodents.

 

Persons who live in these areas or travel to these areas should minimize their contact with rodents or rodent-eating carnivores, and should also be aware of the symptoms of plague.

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