About 10 per cent of samples from Guangdong farms in January tested positive for H7. Photo: Reuters

New bird flu test in Hong Kong markets as human infections soar in mainland China

Four H7 cases and two deaths in city so far this winter, but hundreds more across border

Topic |   H7N9 virus

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About 10 per cent of samples from Guangdong farms in January tested positive for H7. Photo: Reuters
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