This Day in History - April 26, 2021
This Day in History - A podcast by The HISTORY Channel
Polio vaccine trials began in Virginia on this day in 1954. Learn more about your ad choices. Visit podcastchoices.com/adchoices
This Day in History - A podcast by The HISTORY Channel
Polio vaccine trials began in Virginia on this day in 1954. Learn more about your ad choices. Visit podcastchoices.com/adchoices