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jan 1, 1722 - 242 People variolated in Boston

Description:

Mather and Boyleston advocate for variation and help variolate people in Boston. Those that were variolated had a mortality rate of 2.5% compared to 15-20% for the general population

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From A to Zika: Diseases and Medical Advancements Through Time

ByClaire
14 Dec 2018
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jan 1, 1722
Now
~ 304 years ago
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