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13 Okt 1879 Jahr - Variolation

Beschreibung:

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

Zugefügt zum Band der Zeit:

The History of Infectious Diseases

14 Dez 2018

1

0

1001

Datum:

13 Okt 1879 Jahr

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~ 146 years ago

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