Newshour Extra

As fears grow over the impact of the Zika virus and its suspected links to birth defects, Newshour Extra brings together a panel of global experts to discuss how best to tackle the virus and the dangers of global transmission. Owen Bennett-Jones and his guests also ask whether global health authorities should be taking more drastic steps to combat the spread of mosquito-borne diseases, and whether we can predict and prevent the next global pandemic.(Photo: Mosquito on a person's arm. Credit: Thinkstock)