Contagion discussion

The ease and availability of global travel brings the threat of widespread contagion ever closer to reality. From time to time one of those diseases takes hold – bird flu, SARS and more recently, MERS, Middle Eastern Respiratory Syndrome. In a conversation with Dr. Norman Swan, host of Australian Broadcasting Corporation's Health Report, and Gareth Williams, professor of medicine at the University of Bristol, Laurie Garrett answers the question, "How much of a threat do such epidemics actually pose and how prepared are we for a plague?"

Full audio available here.