Experts fear seasonal flu could mix with bird flu amid a spike in cases on the mainland. Photo: Felix Wong Experts fear seasonal flu could mix with bird flu amid a spike in cases on the mainland. Photo: Felix Wong
Experts fear seasonal flu could mix with bird flu amid a spike in cases on the mainland. Photo: Felix Wong

update | Seasonal flu and bird flu could mix and mutate, warns HKU scientist

As eight more die from seasonal influenza and man is confirmed with H7N9 bird flu, experts say mutation of different viruses is a possibility

Experts fear seasonal flu could mix with bird flu amid a spike in cases on the mainland. Photo: Felix Wong Experts fear seasonal flu could mix with bird flu amid a spike in cases on the mainland. Photo: Felix Wong
Experts fear seasonal flu could mix with bird flu amid a spike in cases on the mainland. Photo: Felix Wong
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