A G57 (BJ/94-like) H9N2 avian influenza virus exhibits enhanced replication and tissue dissemination in chickens compared with a G1-B virus
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Avian influenza H9N2 viruses cause economic losses to the poultry industry and pose a public health risk. Two major H9N2 lineages dominate globally: the G1 lineage (genotype G1-B), prevalent in the Middle East, Africa and South Asia, and the BJ/94 lineage (pre... ...
