Chickens to blame for spread of latest deadly bird flu

It’s only a matter of time before H7N9 virus spreads beyond China, researchers warn

chicken market

GOING VIRAL  Chickens, like the one shown for sale at a market in China’s Jiangxi province in January 2014, sparked a second wave of the H7N9 bird flu last year, a new study concludes.

Zhuo zhongwei – Imaginechina/Associated Press

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