Plague - Definition

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The plague is a very infectious disease caused by a bacteria called the Yersinia pesits, typically transmitted to humans by the fleas of infected rats. There are many different forms of plague, all sharing common symptoms of high fever, tachycardia, and more. The bubonic plague is the most common form, characterized by the presence of buboes, swollen lymph nodes primarily in the armpit and groin; the pneumonic plague, which manifests as a serious pulmonary disease; and the septicemic plague, characterized by severe hemorrhages. Antibiotics are imperative for treating this disease, and local regional health authorities must be informed of any manifestation.