Concept
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History of Bacterial Diseases
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.