Antigenic Variant of Highly Pathogenic Avian Influenza A(H7N9) Virus, China, 2019
Wenming Jiang, Guangyu Hou, Jinping Li, Cheng Peng, Suchun Wang, Shuo Liu, Qingye Zhuang, Liping Yuan, Xiaohui Yu, Yang Li, Jingjing Wang, Hualei Liu
Abstract
In China, influenza A(H7N9) virus appeared in 2013, then mutated into a highly pathogenic virus, causing outbreaks among poultry and cases in humans. Since September 2017, extensive use of the corresponding vaccine, H7-Re1, successfully reduced virus prevalence. However, in 2019, a novel antigenic variant emerged, posing considerable economic and public health threats.A.
Topics & Concepts
Influenza A virus subtype H5N1VirologyOutbreakNeuraminidaseBiologyVirusHighly pathogenicH5N1 genetic structureHemagglutinin (influenza)Antigenic driftInfluenza A virusMedicineInfectious disease (medical specialty)Coronavirus disease 2019 (COVID-19)DiseasePathologyInfluenza Virus Research StudiesViral gastroenteritis research and epidemiologyAnimal Disease Management and Epidemiology