A doctor looks at lung CT images and chest films of a man infected with H7N9. The new bird flu could be mutating up to eight times faster than an average flu virus. Photo: Xinhua

H7N9 may mutate 8 times faster than regular flu

Topic |   H7N9 virus

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A doctor looks at lung CT images and chest films of a man infected with H7N9. The new bird flu could be mutating up to eight times faster than an average flu virus. Photo: Xinhua
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