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The Plague

The Plague. Origins of Black Death. Spread of Black Death in Europe. Yersinia pestis. Rats & Fleas. 3 forms of plague. Bubonic Septicemic Pneumonic. Transmission. Bites from infected rodent fleas Direct contact with infected tissue or bodily fluids Inhaling infected droplets.

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The Plague

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  1. The Plague

  2. Origins of Black Death

  3. Spread of Black Death in Europe

  4. Yersiniapestis

  5. Rats & Fleas

  6. 3 forms of plague • Bubonic • Septicemic • Pneumonic

  7. Transmission • Bites from infected rodent fleas • Direct contact with infected tissue or bodily fluids • Inhaling infected droplets

  8. Incubation period • Bubonic: lymph system • Pnuemonic: lungs • Septicemic: blood • 1-6 days symptoms appear

  9. Carriers • Mice • Fleas • Lice • Prairie dogs • Cats • Dogs • Squirrels • Wood rats • Chipmunks

  10. Protection During Outbreaks • Do not pick up or touch dead animals. • If plague has recently been found in your area, report any observations of sick or dead animals to the local health department or law enforcement officials. • If you anticipate being exposed to rodent fleas, apply insect repellents to clothing and skin, according to label instructions, to prevent flea bites. Wear gloves when handling potentially infected animals. • Eliminate sources of food and nesting places for rodents around homes, work places, and recreation areas. Remove brush, rock piles, junk, cluttered firewood, and potential food supplies (such as pet and wild animal food). Make your home rodent-proof.   • If you live in an area where rodent plague occurs, treat pet dogs and cats for flea control regularly, and do not allow pets to roam freely.   • Health authorities may use appropriate chemicals to kill fleas at selected sites during animal plague outbreaks.

  11. Types of Plague: Bubonic

  12. Types of Plague: Septicemic • Fever • Chills • Weakness • Abdominal pain • Shock • Bleeding underneath the skin or other organs Symptoms

  13. Types of Plague: Pneumonic

  14. Transmission • Bites • Direct Contact • Inhalation

  15. Perspective on the History of Plague • contributed to mass panic in cities & countries • displeasure of the gods • supernatural powers • heavenly disturbances • Innocent groups blamed for spreading plague & persecuted

  16. History of the Plague Cure Alexandre Yersin ShibasaburoKitasato

  17. History of the Plague Cure Paul-Louis Simond Cycle of plague

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