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Jun 8, 2023 · The novel influenza A(H7N9) virus is the first low- pathogenic avian influenza virus (LPAI) documented to have caused severe human disease and ...
Avian influenza A(H7N9) is a subtype of influenza viruses that have been detected in birds in the past. This particular A(H7N9) virus had not previously ...
Since the first human case in 2013, H7N9 avian influenza viruses (AIVs) have caused more than 1500 human infections with a mortality rate of approximately ...
What is H7N9? Some influenza A viruses occur naturally in birds and can cause illness in those animals—these viruses are called “avian flu viruses”.
Both H5N1 and H7N9 viruses are capable of causing lethal infections, with mortality correlating most strongly with wider distribution of viral antigen in the ...