Saturday, 31 October 2009U.S. Centers for Disease Control and Prevention Director (CDC) researchers estimated this week that as many as 5.7 million people in the United States have been infected by H1N1 virus so far, with at least 1,300 deaths.
The pandemic influenza is mild to moderate in most people but it can cause sudden, severe and overwhelming disease in certain groups, such as those with chronic disease.
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Saturday, 31 October 2009
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