It was Onesimus, an African slave in Boston, who helped save generations from smallpox.
Click here to read the full article. https://www.history.com/news/smallpox-vaccine-onesimus-slave-cotton-mather
It was Onesimus, an African slave in Boston, who helped save generations from smallpox.
Click here to read the full article. https://www.history.com/news/smallpox-vaccine-onesimus-slave-cotton-mather
