What Do We Need To Know About Polio?

With traces of the polio virus found in Rockland county and other portions of our region, W. Ian Lipkin, MD, director for the Center of Infection and Immunity with the Mailman School of Public Health at Columbia University, joins to explain why this nearly eradicated pathogen has resurfaced now, how to gauge and mitigate risk, and discuss the history of polio, and efforts to stop its spread.