Difference between revisions of "Yersinia pestis"

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** is known with its notorious pandemics, and the 3rd pandemic known as the "Black death" in human history
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**Cause of bubonic plague in humans, transmitted via fleas from infected rats
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** Categorized in group 1 of agents of potential biological weapon and bioterrorism concerns
 
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** Natural foci of plague are situated in all continent save Australia
 
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**Cause of bubonic plague in humans, transmitted via fleas from infected rodents (rats)
 
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** 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
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**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
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** new multi-drug resistant strains were reported
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**Possesses 3 plasmids, 2 of which are unique to this species; these encode an endotoxin, and coagulase and fibrinolytic activity[[Category:Yersinia species]]
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**Possesses 3 plasmids, 2 of which are unique to this species; these encode an endotoxin, and coagulase and fibrinolytic activity
 
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{{Learning
 
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|full text = [http://www.cabi.org/cabdirect/FullTextPDF/2009/20093152645.pdf ''' A review of plague persistence with special emphasis on fleas.''' Wimsatt, J.; Biggins, D. E.; National Institute of Malaria Research, Delhi, India, Journal of Vector Borne Diseases, 2009, 46, 2, pp 85-99, 171 ref.]
 
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[[Category:To_Do_-_Bacteria]]
 
[[Category:To_Do_-_Bacteria]]
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[[Category:Yersinia species]]
 

Revision as of 10:43, 25 June 2010

    • Cause of bubonic plague in humans, transmitted via fleas from infected rats
    • Not a significant veterinary disease
    • Disease in rats and other rodents similar to the disease in humans
    • Bubonic form can lead to the pneumonic form, which is highly contagious and usually fatal
    • Humans and domestic and wild animals incidental hosts
    • Plague has rarely been reported in dogs, cats, camels, elephants, deer
    • Cats can acquire the disease from ingesting dead rodents, and show lymphadenopathy and abscesses
    • Fever, lethargy, swelling and abscessation of lymph nodes particularly in head and neck region
    • 50% mortality if not treated
    • Possesses 3 plasmids, 2 of which are unique to this species; these encode an endotoxin, and coagulase and fibrinolytic activity
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