Front Cover of <em>Science Bulletin</em> 2018(16) Issue (IMAGE)
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Avian influenza virus (AIV) is always the threat to human due to its pandemic potential. Herein, a novel reassortant AIV, influenza A(H7N4) virus, has been identified. The virus originated from wild bird AIVs, infected backyard chickens and ducks, and cause a severe human infection. Researchers firstly conducted a comprehensive investigation on this case, confirming the viral infection and the transmission route. Early identification and response interrupted the spread of this novel virus.
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