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History of Bacterial Diseases
![Bubonic plague](../../../../../../../../../figures.boundless-cdn.com/19100/full/figure-22-04-02.jpeg)
Bubonic plague
The (a) Great Plague of London killed an estimated 200,000 people, or about twenty percent of the city's population. The causative agent, the (b) bacterium Yersinia pestis, is a gram-negative, rod-shaped bacterium from the class Gamma Proteobacteria. The disease is transmitted through the bite of an infected flea, which is infected by a rodent. Symptoms include swollen lymph nodes, fever, seizure, vomiting of blood, and (c) gangrene.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, Bacterial Diseases in Humans. October 16, 2013."
http://cnx.org/content/m44607/latest/Figure_22_04_02.jpg
OpenStax CNX
CC BY 3.0.