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1 Jan 1722 Jahr - 242 People variolated in Boston

Beschreibung:

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

Zugefügt zum Band der Zeit:

From A to Zika: Diseases and Medical Advancements Through Time

ByClaire
14 Dez 2018
1
0
1138

Datum:

1 Jan 1722 Jahr
Jetzt
~ 303 years ago
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