文档介绍：Cultural Series
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Smallpox
ination
Discovery of Smallpox
3000 years ago, mummy
Influence?
16 to 18 century, 60% of global population
Influence?
killed about 400,000 people in Europe
Every Year
Influence?
20 century,
killed 300 people
Million
Route of transmission
Symptoms
Backache
Headache
Tired
Had a high fever
Pustules