Antigenic and molecular characterization of low pathogenic avian influenza A(H9N2) viruses in sub-Saharan Africa from 2017 through 2019

References

• Peiris M, Yuen KY, Leung CW, et al. Human infection with influenza H9N2. Lancet Lond Engl. 1999;354:916–917.
   PubMed Web of Science ®Google Scholar
• Peacock TP, James J, Sealy JE, et al. A global perspective on H9N2 avian influenza virus. Viruses. 2019;11:620.
   PubMed Web of Science ®Google Scholar
• Samy A, Naguib MM. Avian respiratory coinfection and Impact on avian influenza pathogenicity in domestic poultry: field and experimental findings. Vet Sci. 2018;5:23.
   PubMedGoogle Scholar
• Cui L, Liu D, Shi W, et al. Dynamic reassortments and genetic heterogeneity of the human-infecting influenza A (H7N9) virus. Nat Commun. 2014;5:1–9.
   Web of Science ®Google Scholar
• Liu D, Shi W, Gao GF. Poultry carrying H9N2 act as incubators for novel human avian influenza viruses. Lancet Lond Engl. 2014;383:869.
   PubMed Web of Science ®Google Scholar
• Shi W, Li W, Li X, et al. Phylogenetics of varied subtypes of avian influenza viruses in China: potential threat to humans. Protein Cell. 2014;5:253–257.
   Web of Science ®Google Scholar
• Nagy A, Mettenleiter TC, Abdelwhab EM. A brief summary of the epidemiology and genetic relatedness of avian influenza H9N2 virus in birds and mammals in the Middle East and North Africa. Epidemiol Infect. 2017;145:3320–3333.
   Web of Science ®Google Scholar
• Ekong PS, Fountain-Jones NM, Alkhamis MA. Spatiotemporal evolutionary epidemiology of H5N1 highly pathogenic avian influenza in West Africa and Nigeria, 2006–2015. Transbound Emerg Dis. 2018;65:e70–e82.
   Web of Science ®Google Scholar
• Fusaro A, Zecchin B, Vrancken B, et al. Disentangling the role of Africa in the global spread of H5 highly pathogenic avian influenza. Nat Commun. 2019;10:5310.
   PubMed Web of Science ®Google Scholar
• Couacy-Hymann E, Kouakou VA, Aplogan GL, et al. Surveillance for influenza viruses in poultry and swine, West Africa, 2006–2008. Emerg Infect Dis. 2012;18:1446–1452.
   PubMed Web of Science ®Google Scholar
• Fuller TL, Ducatez MF, Njabo KY, et al. Avian influenza surveillance in Central and West Africa, 2010–2014. Epidemiol Infect. 2015;143:2205–2212.
   Web of Science ®Google Scholar
• Jeevan T, Darnell D, Gradi EA, et al. A(H9N2) influenza viruses associated with chicken mortality in outbreaks in Algeria 2017. Influenza Other Respir Viruses. 2019;13:622–626.
   Web of Science ®Google Scholar
• Zecchin B, Minoungou G, Fusaro A, et al. Influenza A(H9N2) virus, Burkina Faso. Emerg Infect Dis. 2017;23:2118–2119.
   Web of Science ®Google Scholar
• Awuni JA, Bianco A, Dogbey OJ, et al. Avian influenza H9N2 subtype in Ghana: virus characterization and evidence of co-infection. Avian Pathol J WVPA. 2019;48:470–476.
   PubMed Web of Science ®Google Scholar
• Kariithi HM, Welch CN, Ferreira HL, et al. Genetic characterization and pathogenesis of the first H9N2 low pathogenic avian influenza viruses isolated from chickens in Kenyan live bird markets. Infect Genet Evol. 2020;78:104074.
   Web of Science ®Google Scholar
• Spackman E, Senne DA, Myers TJ, et al. Development of a real-time reverse transcriptase PCR assay for type A influenza virus and the avian H5 and H7 hemagglutinin subtypes. J Clin Microbiol. 2002;40:3256–3260.
   PubMed Web of Science ®Google Scholar
• Shabat M B, Meir R, Haddas R, et al. Development of a real-time TaqMan RT-PCR assay for the detection of H9N2 avian influenza viruses. J Virol Methods. 2010;168:72–77.
   Web of Science ®Google Scholar
• Barman S, Turner JCM, Hasan MK, et al. Continuing evolution of highly pathogenic H5N1 viruses in Bangladeshi live poultry markets. Emerg Microbes Infect. 2019;8:650–661.
   PubMed Web of Science ®Google Scholar
• Drummond AJ, Rambaut A. BEAST: Bayesian evolutionary analysis by sampling trees. BMC Evol Biol. 2007;7:214.
   PubMed Web of Science ®Google Scholar
• Rambaut A, Drummond AJ, Xie D, et al. Posterior summarization in Bayesian phylogenetics using Tracer 1.7. Syst Biol. 2018;67:901–904.
   PubMed Web of Science ®Google Scholar
• Pedersen JC. Hemagglutination-inhibition test for avian influenza virus subtype identification and the detection and quantitation of serum antibodies to the avian influenza virus. Methods Mol Biol Clifton NJ. 2008;436:53–66.
   PubMedGoogle Scholar
• Smith DJ, Lapedes AS, Jong JC, et al. Mapping the antigenic and genetic evolution of influenza virus. Science. 2004;305:371–376.
   PubMed Web of Science ®Google Scholar
• Reed LJ, Muench H, Muench HA, et al. A simple method of estimating fifty percent endpoints. Am J Epidemiol. 1938;27:493–497.
   Google Scholar
• Li X, Shi J, Guo J, et al. Genetics, receptor binding property, and transmissibility in mammals of naturally isolated H9N2 avian influenza viruses. PLoS Pathog. 2014;10:e1004508.
   PubMed Web of Science ®Google Scholar
• Wan H, Perez DR. Amino acid 226 in the hemagglutinin of H9N2 influenza viruses determines cell tropism and replication in human airway epithelial cells. J Virol. 2007;81:5181–5191.
   PubMed Web of Science ®Google Scholar
• Wan H, Sorrell EM, Song H, et al. Replication and transmission of H9N2 influenza viruses in ferrets: evaluation of pandemic potential. PloS One. 2008;3:e2923.
   PubMed Web of Science ®Google Scholar
• Hassan N, Kaoutar M, Sara G, et al. Focus on poultry in Morocco. AENSI Journals. 2017;11:1–8.
   Google Scholar
• Santos JJS, Abente EJ, Obadan AO, et al. Plasticity of amino acid residue 145 near the receptor binding site of H3 swine influenza A viruses and its impact on receptor binding and antibody recognition. J Virol. 2019;93:e01413-18.
   Web of Science ®Google Scholar
• Peacock TP, Harvey WT, Sadeyen J-R, et al. The molecular basis of antigenic variation among A(H9N2) avian influenza viruses. Emerg Microbes Infect. 2018;7:176.
   Web of Science ®Google Scholar
• Belser JA, Sun X, Brock N, et al. Genetically and antigenically divergent influenza A(H9N2) viruses exhibit differential replication and transmission phenotypes in mammalian models. J Virol. 2020;94:e00451-20.
   Web of Science ®Google Scholar
• Su H, Zhao Y, Zheng L, et al. Effect of the selection pressure of vaccine antibodies on evolution of H9N2 avian influenza virus in chickens. AMB Express. 2020;10:98.
   Web of Science ®Google Scholar
• Shittu I, Bianco A, Gado D, et al. First detection of highly pathogenic H5N6 avian influenza virus on the African continent. Emerg Microbes Infect. 2020;9:886–888.
   PubMed Web of Science ®Google Scholar