Health authorities have confirmed a rare case of H9N2 avian flu human infection in Hong Kong. Photo: EPA
Health authorities have confirmed a rare case of H9N2 avian flu human infection in Hong Kong. Photo: EPA
H7N9 virus

Hong Kong sees first case of H9N2 avian flu in four years

Health authorities have confirmed a rare case of H9N2 avian flu human infection in Hong Kong. Photo: EPA
Health authorities have confirmed a rare case of H9N2 avian flu human infection in Hong Kong. Photo: EPA
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