the plague
Post on 24-Feb-2016
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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•Direct contact with infected tissue
or bodily fluids• Inhaling infected droplets
3 forms of plague
•Bubonic•Septicemic•Pneumonic
Types of Plague: Bubonic
Types of Plague: Septicemic
Symptoms
• Fever • Chills • Weakness • Abdominal pain • Shock • Bleeding underneath the
skin or other organs
Types of Plague: Pneumonic
Incubation period• Bubonic: lymph system• Pnuemonic: lungs• Septicemic: blood
• 1-6 days symptoms appear
Medieval reactions Quarantines Avoid air Fires/Scents Food/sex/sleep Cures: bloodletting Religion:
flagellants/persecution of Jews
Death tolls• 20 million people
• 1/3 Europe’s population
• Cities lost more than 40%:
Paris: 50%Venice, Hamburg,
Bremen: 60%
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