Smallpox DNA in ancient Inca mummies shows virus came from Europe
The mummies of two people who lived in Chile more than 400 years ago carry DNA from smallpox, providing the first molecular evidence that the virus was brought to the Americas from Europe

<p>The mummies of two people who lived in Chile more than 400 years ago carry DNA from smallpox, providing the first molecular evidence that the virus was brought to the Americas from Europe</p>