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Ninety-two percent of the 273 colleges and universities in a sample being tracked by the American College Health Association reported new cases of H1N1 or similar illnesses in the last week studied, up from 91 percent the previous week. The highest rates of activity are in states in the Mid-Atlantic (Virginia, District of Columbia, South Carolina, North Carolina, and Pennsylvania). More details and H1N1 resources are available on the association's Web site.