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The Plague

The Plague. Origins of Black Death. Spread of Black Death in Europe. Yersinia pestis. Carriers. Mice Fleas Lice Prairie dogs Cats Dogs Squirrels Wood rats Chipmunks. Rats & Fleas. Transmission. Bites from infected rodent fleas

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

  6. Rats & Fleas

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

  8. 3 forms of plague • Bubonic • Septicemic • Pneumonic

  9. Types of Plague: Bubonic

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

  11. Types of Plague: Pneumonic

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

  13. Medieval reactions • Quarantines • Avoid air • Fires/Scents • Food/sex/sleep • Cures: bloodletting • Religion: flagellants/persecution of Jews

  14. Death tolls • 20 million people • 1/3 Europe’s population • Cities lost more than 40%: • Paris: 50% • Venice, Hamburg, Bremen: 60%

  15. Was It Really That Bad? - Black Death

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