Article
Characterization of avian influenza A (H4N2) viruses isolated from wild birds in Shanghai during 2019 to 2021
27 Jul 2023
Abstract excerpt
The H4 subtype of avian influenza viruses has been widely distributed among wild birds. During the surveillance of the avian influenza virus in Shanghai from 2019 to 2021, a total of 4,451 samples were collected from wild birds, among which 46 H4 subtypes of avian influenza viruses were identified, accounting for 7.40% of the total positive samples. The H4 subtype viruses have a wide range of hosts, including the...
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