Plague is an infection that is life-threatening if it is not treated. Yersinia pestis is the bacteria that cause plague. People are most at risk of infection when they are in areas where these rodents and their fleas are plentiful.
Humans can become infected in the following ways.
Call your doctor whenever you or someone in your family develops a fever or becomes very sick (fever, severe weakness, severe headache) after:
Read more articles on Communicable Diseases.