> In Jenner’s century it killed an estimated four hundred thousand Europeans a year. I don't think that number is correct… https://ourworldindata.org/smallpox

> In Jenner’s century it killed an estimated four hundred thousand Europeans a year. I don't think that number is correct… https://ourworldindata.org/smallpox#all-charts https://ourworldindata.org/smallpox#all-charts