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The G57 genotype of the BJ/94-like H9N2 lineage exhibits increased replication and virulence in chickens compared to the G1 Middle East Group B lineage

2025-05-28

Abstract excerpt

Avian influenza H9N2 viruses cause significant economic losses to the poultry industry and pose a public health risk due to their potential to reassort with other avian influenza viruses, generating strains with zoonotic and pandemic potential. Two major H9N2 lineages dominate globally: the G1 lineage (genotype G1-B), prevalent in the Middle East, Africa and the Indian subcontinent, and the BJ/94 lineage (predomin...

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Literature Corpus work: 479cc957-bdb5-526b-8374-0d983415f49b
DOI: 10.1101/2025.05.28.656345

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