Genomic Monitoring of H1N1, H3N2, and Influenza B Victoria Lineage Viruses in Qingyang (2020–2023): Analysis of Phylogenetic and Molecular Features of HA and NA Genes - Takeaways - MDSpire

Genomic Monitoring of H1N1, H3N2, and Influenza B Victoria Lineage Viruses in Qingyang (2020–2023): Analysis of Phylogenetic and Molecular Features of HA and NA Genes

  • By

  • Guina Zhu

  • Huaizhe Hou

  • Wenjun Wang

  • Zhihui Dou

  • Yanhong Ji

  • March 7, 2026

  • 0 min

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  • 1

    Influenza A and B viruses are significant pathogens causing annual outbreaks, with H1N1, H3N2, and B/Victoria being the main subtypes monitored in Qingyang.

  • 2

    The study analyzed genetic characteristics of H1N1, H3N2, and B/Victoria viruses from 2020 to 2023 to understand their molecular evolution and amino acid mutations.

  • 3

    Continuous surveillance data from the Chinese Influenza Surveillance Information System was utilized to ensure representative sampling of circulating influenza strains.

  • 4

    The research aimed to provide insights for precise influenza prevention and control in Qingyang and to support the development of effective vaccines and antiviral drugs.

  • 5

    Molecular analysis focused on HA and NA genes, which are crucial for viral infection and transmission, and are targets for vaccine and antiviral drug development.

Original Source(s)

Genomic Monitoring of H1N1, H3N2, and Influenza B Victoria Lineage Viruses in Qingyang (2020–2023): Analysis of Phylogenetic and Molecular Features of HA and NA Genes

  • by Guina Zhu, Huaizhe Hou, Wenjun Wang, Zhihui Dou, Yanhong Ji

  • March 7, 2026

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