Stream the best of PBS. Anytime, anywhere. Download the free PBS Video App.

Providing Support for PBS.org

NOVA

A History of Vaccination

Clip: Season 41 Episode 14 | 4m 48s

Vaccination began as a traditional therapy over a thousand years ago.

Aired: 09/04/14

Rating: TV-PG

Watch Full Length

Problems Playing Video?

National corporate funding for NOVA is provided by Draper. Major funding for NOVA is provided by the David H. Koch Fund for Science, the Corporation for Public Broadcasting and PBS viewers.