Wild poliovirus is circulating in Pakistan and Afghanistan. Last year, the variant poliovirus was detected in a few previously polio-free places – a stark reminder that if polio exists anywhere, it’s a threat everywhere. To get an idea of the recent progress made – and challenges met – the Rotary magazine team sat down with Aidan O’Leary of the World Health Organization, Melissa Corkum of UNICEF, and Dr. Omotayo Bolu of the U.S. Centers for Disease Control and Prevention.