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13 окт 1879 г. - Variolation

Описание:

Purposely infect an individual with smallpox to create immunity. 1-3% chance of working

Добавлено на ленту времени:

The History of Infectious Diseases

ByValerie Lu
14 дек 2018

Дата:

13 окт 1879 г.
Сейчас
~ 144 г назад
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