China probes bird flu transmission to humans
Al Jazeera English
2013-04-19
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Doctors in China are trying to work out how people are being infected with a lethal strain of bird flu. Seventeen people have died and 66 more have been infected with the H7N9 virus. There are now fears the virus might be able to pass from human to human. Al Jazeera's Rob McBride reports from Hong Kong.
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