H7N9 flu transmission studied
By Shan Juan | China Daily | Updated: 2013-04-20 07:43
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Michael O'Leary, head of the World Health Organization's office in China, arrives for a media briefing at the WHO office in Beijing on Friday. The organization said there is no evidence that a new strain of bird flu in China is spreading easily among humans. Andy Wong / Associated Press |
The World Health Organization's China representative said on Friday there are "quite a few" cases in which the many hundreds of people in close contact with H7N9 flu patients fell ill as well.
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