Bird flu, with Dr Alastair Ward

This year around the globe, an estimated 160 million domestic birds have died as a result of avian flu. But why has the virus spread so widely? And could humans be at risk? Dr Alastair Ward, associate professor of biodiversity and ecosystem management at the University of Leeds, explains all. Hosted on Acast. See acast.com/privacy for more information. Learn more about your ad choices. Visit podcastchoices.com/adchoices