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**Cause of bubonic plague in humans, transmitted via fleas from infected rats
** is known with its notorious pandemics, and the 3rd pandemic known as the "Black death" in human history
** Categorized in group 1 of agents of potential biological weapon and bioterrorism concerns
** Natural foci of plague are situated in all continent save Australia
**Cause of bubonic plague in humans, transmitted via fleas from infected rodents (rats)
** Less frequently Pneumonic plague, infection caused by inhaling infectious respiratory droplets
**Not a significant veterinary disease
**Not a significant veterinary disease
**Disease in rats and other rodents similar to the disease in humans
**Disease in rats and other rodents similar to the disease in humans
**Fever, lethargy, swelling and abscessation of lymph nodes particularly in head and neck region
**Fever, lethargy, swelling and abscessation of lymph nodes particularly in head and neck region
**50% mortality if not treated
**50% mortality if not treated
** new multi-durg resistant strains were reported
**Possesses 3 plasmids, 2 of which are unique to this species; these encode an endotoxin, and coagulase and fibrinolytic activity[[Category:Yersinia species]]
**Possesses 3 plasmids, 2 of which are unique to this species; these encode an endotoxin, and coagulase and fibrinolytic activity[[Category:Yersinia species]]