Parsing Pandemics

David Waltner-Toews is a retired professor of epidemiology in the Department of Population Medicine at the Ontario Veterinary College in the University of Guelph, the founding president of Veterinarians without Bordersé Vétérinaires sans Frontiéres Canada and the Canadian Community of Practice in Ecosystem Approaches to Human Health. He is a specialist in the epidemiology of diseases people get from animals (zoonoses) and the author of The Chickens Fight Back: Pandemic Panics and Deadly Diseases that Jump from Animals to Humans (Greystone, 2007).