China Bird-Flu Death Toll Rises to 13 as H7N9 Virus Spreads

China Bird-Flu Death Toll Rises to 13 as H7N9 Virus Spreads

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Workers catch pigeons at a square in the Tiantongyuan residential community on April 11, 2013 in Beijing. The first three cases of H7N9 in China were announced by the central government on March 31 and until yesterday all of those infected were in eastern China.