apr 7, 1717 - VARIOLATION
Description:
Lady Mary - Purposefully infected with smallpox to create a mild infection to create immunity30% 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
Added to timeline:
Date:
apr 7, 1717
Now
~ 308 years ago