A Texas A&M virologist says the potential resurgence of the previously-eradicated virus is troubling news, but it will take some time to see just how serious the threat is.
What will it take to finish polio off in the last three countries where it persists? (AP Photo/B.K. Bangash) By Christine Crudo Blackburn and Morten Wendelbo, Texas A&M University Bush School of Government & Public Service At its height in the 1940s and ‘50s, polio paralyzed more than 35,000 Americans…