Difference between revisions of "Yersinia pestis"
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=='''''Yersinia pestis''''' (Plague)== | =='''''Yersinia pestis''''' (Plague)== | ||
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http://emedicine.medscape.com/article/235627-overview#showall <br /> | http://emedicine.medscape.com/article/235627-overview#showall <br /> | ||
http://en.wikipedia.org/wiki/Yersinia_pestis <br /> | http://en.wikipedia.org/wiki/Yersinia_pestis <br /> | ||
| + | http://www.cdc.gov/pulsenet/pathogens_pages/yersinia.htm | ||
[[Category:PSDS]][[Category:Bacterium]] | [[Category:PSDS]][[Category:Bacterium]] | ||
Revision as of 16:40, 10 July 2012
Contents
Yersinia pestis (Plague)
Hosts
Human and animals
Transmission/Exposure Routes
Transmitted to humans from infected flees and rodents are reservoirs of the disease (dose response page for Yersinia pestis)
Incubation Times
2–6 days for Bubonic plague (Wikipedia)
Case Fatality Ratios
| Disease | Untreated | Treated | Reference |
| Pneumonic plague | 100% | 50% | Medscape) |
| Bubonic plague | 50%-90% | 10%-20% | Medscape) |
| Septicemic plague | 20%-25% | Medscape) |
Burden of Disease
The CDC has reported an average of 10-15 cases of yersinia pestis infection annually in the United States. Areas of natural occurrence of plague in the United States include Arizona, California, Colorado, New Mexico, and Utah. Internationally between 1990-1995, a total of 12,998 cases of plague were reported to the World Health Organization (WHO), mostly from countries such as India, Zaire, Peru, Malawi, and Mozambique (Siddharth, W. 2009).
Duration of Infectiousness and disease
Symptomology
Latency
Asymptomatic Rates
Excretion Rates (see Exposure)
Immunity
Microbiology
A Gram-negative facultative anaerobic bipolar-staining bacillus bacterium belonging to the family Enterobacteriaceae
Recommended Dose Response Model
Dose response models for Yersinia pestisExponential, k is 1.63E-03
References
Siddharth, W. Bronze, M. (2009) "Plague" Medscape Reference. Retrieved on 2-2-12 from http://emedicine.medscape.com/article/235627-overview#a0199
http://emedicine.medscape.com/article/235627-overview#showall
http://en.wikipedia.org/wiki/Yersinia_pestis
http://www.cdc.gov/pulsenet/pathogens_pages/yersinia.htm
