Yersinia Pestis

1
Yersinia Pestis

• Lorena, Cameron, Shiraz, Lulu
• Elmhurst College Math and Science Academy
• August 5, 2006

2
Facts of the Plague

• First traces of the plague was in 542 C.E.
• Is transmitted to humans by fleas found on rats
• Three major forms of the disease are Bubonic,
  Septicemic, and Pneumonic plague

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Diseases caused by Yersinia Pestis

• Bubonic plague based on the lymphatic system.
• Septicemic plague Centers in the bloodstream.
• Pneumonic Plague Centers in the lungs.

Compliments of CDC
4
Causes of the Plague

• Fleas found on rodents may carry disease
• Transmitted to others through the saliva from
  coughing

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Symptoms

• Patients usually experience symptoms two to five
  days after being infected with the disease.
• You may experience high fever, seizures, and even
  severe headaches.
• Buboes, painful swelling in armpits, groin, or
  neck, may also appear.

6
Treatments and Preventions

• Plague vaccines have been distributed since the
  late 19th century, to prevent disease.
• If caught early, disease can be treated
  successfully.
• Isolation from wild animals and infected patients
  can help reduce the risk.

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Historical Impacts

• The first plague was in 542 E.C. and lasted
  almost 60 years.
• The second and most severe pandemic was in the
  14th century, also known as the Black Death.
• The final and most recent pandemic occured in
  1894.

8
Bibliography

• Pictures
• CDC.http//www.cdc.gov/ncidod/dvbid/plague/p1.htm,
  http//www.cdc.gov/ncidod/dvbid/plague/cheob6x4.h
  tm
• The Black Death. http//www.theblackdeath.com/
• Books
• Turkington, C Bonnie Lee, A. (2003). The
  Encyclopedia of Infectious Diseases. New York,
  NY Facts on File, Inc.
• Vickery,R.C.(1995).Scientific Encyclopedia. USA
  International Thomson Publishing, Inc.
• Internet
• Gale, KL. (1999). World Health Organization
  Collaborating Center Plague. Retrieved August 1,
  2006, from http//www.cdc.gov/ncidod/dvbid/plague/
  who_cc/index.htm.