Definition of Disease

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  The bubonic plague is caused by bacteria called Yersinia pestis. This bacteria has a quality called facultative anaerobic. Yersinia pestis can be found in rats, cats, and other animals.



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  During 14th century in Europe if you caught the plague you would die within a week of being bitten from an infected flea.



• Some symptoms are: breathing difficulties, coughing up blood, buboes, abdominal pain, and meningitis may occur.



• Buboes are inflamed; tender swelling of a lymph node, especially in the area of the armpit or groin.



• Buboes begin as red spots on the skin then turn black. After turning black it splits open and starts oozing pus and blood.



• The plague can also cause delirium which means confusion, disorientation, and restlessness.