D'Cunha wonders why U.S. has such low SARS numbersPuzzled by lack of American deathsHealth Canada looks for answers OTTAWA — Ontario's chief medical officer of health is raising questions about the credibility of American SARS statistics and has asked Health Canada to seek clarification. Dr. Colin D'Cunha said he's puzzled by the low number of reported SARS cases in the United States, and the fact that no deaths have been reported. "There are cities in the U.S. that are large gateways to Asia and Hong Kong and, yes, we have good health systems and we can catch people but I'm...