Two Duck Species Spawn Deadly Flu, Study Finds
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A brambling from Beijing, a wild bird from Korea and a duck from China’s Zhejiang province probably helped spawn the new flu variant that’s killed 11 people, a study in the New England Journal of Medicine found.
The birds were infected with avian flu strains that most resemble the H7N9 virus circulating in eastern China, according to an April 11 study by researchers at the Chinese Center for Disease Control and Prevention in Beijing and Fudan University in Shanghai.