Deadly Bird Flu In China Evolves, Spreads To New Regions - NPR

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Deadly Bird Flu In China Evolves, Spreads To New Regions NPR A patient with the H7N9 avian flu is treated in a hospital in Wuhan, in central China's Hubei province, in February of this year. The 2017 outbreak was the deadliest in China since H7N9 first appeared in humans in 2013. AFP/Getty Images hide caption. and more »

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