Why was Zika virus declared an international public health emergency by the World Health Organization? What are the implications for people living in Australia? What other infectious diseases pose a risk here, and how would we respond if there was an outbreak? Listen to a wide ranging discussion about the facts behind Zika and other mosquito-borne illnesses, the role of the media and government in keeping the public properly informed, the mechanisms for controlling the risks, and a frank assessment of where in the world we should be focusing our attention to limit the potential for epidemics.