ArticleViruses2023
Experimental Pathogenicity of H9N2 Avian Influenza Viruses Harboring a Tri-Basic Hemagglutinin Cleavage Site in Sonali and Broiler Chickens.
Article in Viruses, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 16 citations in OpenAlex.
- Molecular characterization and pathogenicity of H9N2 avian influenza viruses in poultry in Shandong Province, China, 2021-2023.Poultry science · 2026Article
- Recombinant LAB vector engineered to secrete chicken IFN-λ3 induces an early but sustained activation of antiviral host responses against AIV infection.Poultry science · 2025Article
- Development and Validation of a Histologic Respiratory Index (HRI) in Poultry.Pathogens (Basel, Switzerland) · 2025Article
- Isolation, characterization and phylogenetic analyses of avian influenza A (H9N2) viruses isolated from poultry between 2019 and 2023 in Egypt.BMC veterinary research · 2025Article
- Immunogenicity of Matrix Protein 2 Ectodomain (M2e) Displayed on Nodavirus-like Particles as Avian Influenza Vaccine for Poultry.Vaccines · 2025Article
- Comparative analysis of innate immune responses in Sonali and broiler chickens infected with tribasic H9N2 low pathogenic avian influenza virus.BMC veterinary research · 2024Article
- Nucleotide sequence as key determinant driving insertions at influenza A virus hemagglutinin cleavage sites.Npj viruses · 2024Article
- Article
- Evaluation of the Virulence of Low Pathogenic H9N2 Avian Influenza Virus Strains in Broiler Chickens.Veterinary sciences · 2023Article
- Tissue Tropism of H9N2 Low-Pathogenic Avian Influenza Virus in Broiler Chickens by Immunohistochemistry.Animals : an open access journal from MDPI · 2023Article
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Authors and funding
7 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Low-pathogenic avian influenza (LPAI) H9N2 virus is endemic in Bangladesh, causing huge economic losses in the poultry industry. Although a considerable number of Bangladeshi LPAI H9N2 viruses have been molecularly characterized, there is inadequate information on the pathogenicity of H9N2 viruses in commercial poultry. In this study, circulating LPAI H9N2 viruses from recent field outbreaks were characterized, and their pathogenicity in commercial Sonali (crossbred) and broiler chickens was assessed. Phylogenetic analysis of currently circulating field viruses based on the hemagglutinin (HA) and neuraminidase (NA) gene sequences revealed continuous circulation of G1 lineages containing the tri-basic hemagglutinin cleavage site (HACS) motif (PAKSKR*GLF) at the HA protein. Both the LPAI susceptible Sonali and broiler chickens were infected with selected H9N2 isolates A/chicken/Bangladesh/2458-LT2/2020 or A/chicken/Bangladesh/2465-LT56/2021 using intranasal (100 µL) and intraocular (100 µL) routes with a dose of 10
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