Professor Guan Yi (left). Photo: Nora Tam
Professor Guan Yi (left). Photo: Nora Tam
H7N9 virus

H7N9 bird flu and swine flu can 'combine and mutate'

New strain from flu in birds and pigs could become pandemic threat, HKU researchers warn

Professor Guan Yi (left). Photo: Nora Tam
Professor Guan Yi (left). Photo: Nora Tam
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