7 abr 1717 año - VARIOLATION
Descripción:
Lady Mary - Purposefully infected with smallpox to create a mild infection to create immunity
30% mortality rate for smallpox vs 1-2% mortality rate from variolation
They would take some of the pus from a smallpox patient and cut it in other people’s arms
Figure 16: Variolation
Añadido al timeline:
fecha:
7 abr 1717 año
Ahora mismo
~ 308 years ago
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