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A student wearing a face mask leaves school in Hong Kong, June 11, 2009. Hong Kong confirmed its first local cluster of H1N1 cases on Thursday and said it would close all childcare centres and primary schools for two weeks. [Xinhua]
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WHO declares A(H1N1) flu pandemic
The World Health Organization has told its member nations it is declaring a A(H1N1) flu pandemic - the first global flu epidemic in 41 years.
