Dr. Paul Gully, Senior Director General of Health Canada answers a reporter's question as the World Health Organization's Executive Director of Communicable Diseases Dr. David Heymann, (centre), and the U.S. Centre for Disease Control Director Dr. Julie Gerberding listen during a news conference wrapping up Health Canada's National Meeting on SARS in Toronto on Thursday, May 1, 2003. (CP PHOTO/J.P. Moczulski)