Health officers disinfect school in Hong Kong
(Agencies)
Updated: 2009-06-16 15:10
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A government health officer walks past a banner inside a secondary school in Hong Kong June 16, 2009 after it was closed following the confirmation that a student was infected with the H1N1 influenza. Experts have called for close monitoring of how the new H1N1 flu virus evolves in coming months in the southern hemisphere as that may help answer questions that have eluded scientists for decades. [Agencies]
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