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Thursday, October 28, 2010 |
Thursday, October 28, 2010 |
Photo: Summer to Kill Swine Flu in U.S. and Mexico?The current H1N1 swine flu outbreak may be slowed considerably by summer's heat and humidity, at least in the Northern Hemisphere, experts say. Photograph by Alberto Saiz/AP
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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