Son 'gave bird flu to his father' - BBC Health News 10th January 2008

A rare case of the deadly H5N1 strain of bird flu being passed from one person to another has been reported by health officials in China. One man died, but his father lived after he too caught the virus in the eastern Jiangsu province last year. Scientists fear if the virus mutates and gains the ability to pass easily between humans, millions could die.

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