Measles and TB evolved from diseases of our cattle, influenza from a disease of pigs, and smallpox possibly from a disease of camels. The Americas had very few native domesticated animal species from which humans could acquire such diseases.
-- Jared Diamond
   
Jared Diamond   Name:
Jared Diamond
Type:
Author
Nationality:
American
Birth:
September 10, 1937
https://www.nutquote.com/quote/Jared_Diamond