A patient infected with H7N9 is treated at the Wuhan Medical Treatment Centre in Wuhan (武漢) in Hubei (湖北) province. Photo: AP

China approves human trials of vaccine for deadly bird flu strain

Scientists say mild outbreaks in previous years had limited commercial interest in a solution

Topic |   H7N9

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A patient infected with H7N9 is treated at the Wuhan Medical Treatment Centre in Wuhan (武漢) in Hubei (湖北) province. Photo: AP
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