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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

14 дек 2018

1

0

1006

Дата:

13 окт 1879 г.

Сейчас

~ 146 г назад

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