Oct 21, 2021
In the mid 1900s, polio outbreaks hit some communities hard - driving families to isolation and creative solutions to keep their children safe. Now, improved sanitation and vaccine campaigns have successfully eradicated most polio strains. Only one wild poliovirus strain remains. Dr. Bill Petri, Chair of the Polio Committee of the World Health Organization, joins us to talk about what's next in the fight against what he says is an ancient disease.