Antigenic Characterization of Novel Human Norovirus GII.4 Variants San Francisco 2017 and Hong Kong 2019

Emerg Infect Dis. 2024 May;30(5):1026-1029. doi: 10.3201/eid3005.231694.

Abstract

Norovirus is a major cause of acute gastroenteritis; GII.4 is the predominant strain in humans. Recently, 2 new GII.4 variants, Hong Kong 2019 and San Francisco 2017, were reported. Characterization using GII.4 monoclonal antibodies and serum demonstrated different antigenic profiles for the new variants compared with historical variants.

Keywords: GII.4 variants; Hong Kong 2019 variant; San Francisco 2017 variant; acute gastroenteritis; antigenicity; enteric infections; norovirus; viruses.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Antibodies, Monoclonal / immunology
  • Antibodies, Viral / blood
  • Antibodies, Viral / immunology
  • Antigens, Viral* / genetics
  • Antigens, Viral* / immunology
  • Caliciviridae Infections* / epidemiology
  • Caliciviridae Infections* / immunology
  • Caliciviridae Infections* / virology
  • Gastroenteritis* / epidemiology
  • Gastroenteritis* / virology
  • Genotype
  • Hong Kong / epidemiology
  • Humans
  • Norovirus* / classification
  • Norovirus* / genetics
  • Norovirus* / immunology
  • Phylogeny
  • San Francisco / epidemiology

Substances

  • Antigens, Viral
  • Antibodies, Viral
  • Antibodies, Monoclonal