Article
Genetic characteristics of H1N1 influenza virus outbreak in China in early 2023
18 May 2024
Abstract excerpt
• H1N1 strains were collected from Hunan and Jiangsu provinces in early 2023 following the optimized COVID-19 strategy. • Phylogenic analysis revealed that the epidemic H1N1 viruses fell into different HA clades compared to vaccine strains. • Mutations on HA antigenic sites suggest antigenic drift in the epidemic H1N1 viruses versus vaccine strains. • A potential mismatch was found between recommended vaccine...
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