#114 What happened to smallpox?
I learned this today. Smallpox was responsible for as many as 500 million deaths in the 20th century, but it was completely eradicated by December 1979. Smallpox is a disease…
I learned this today. Smallpox was responsible for as many as 500 million deaths in the 20th century, but it was completely eradicated by December 1979. Smallpox is a disease…