SMALLPOX VARIOLATION “may have developed independently in China and India, because different routes of inoculation, nasal and cutaneous respectively, were used in these countries. It was said to have been introduced into Egypt by the Mamelukes in the 13th century, and was known in North and western Africa, at least from the late 17th century.”
https://lnkd.in/edjPjCH
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022