In the Middle Ages, the plague (known as the Black Death) – killed one third to one half of the European population.
This is the first reported case of bubonic plague in Idaho in 26 years, and only the fifth since 1940.
Bubonic plague is passed to humans by infected fleas, which can be carried great distances by small rodents.
This article suggests several safety precautions you can take, such as keeping pets from roaming and hunting rodents, because when an animal dies from the plague, the fleas leave the body to look for a new host.
The good news is that with today’s medical advancements, the disease can be treated.
See more safety precautions:
Thanks to Steven Rowlandson for this link