Immunodominance of Antigenic Site B in the Hemagglutinin of the Current H3N2 Influenza Virus in Humans and Mice

Author:

Broecker Felix1,Liu Sean T. H.1,Sun Weina1,Krammer Florian1ORCID,Simon Viviana123,Palese Peter13

Affiliation:

1. Department of Microbiology, Icahn School of Medicine at Mount Sinai, New York, New York, USA

2. The Global Health Emerging Pathogen Institute, Icahn School of Medicine at Mount Sinai, New York, New York, USA

3. Division of Infectious Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA

Abstract

Influenza viruses rapidly evade humoral immunity through antigenic drift, making current vaccines poorly effective and antibody-mediated protection short-lived. The majority of neutralizing antibodies target five antigenic sites in the head domain of the hemagglutinin protein that are also the most sequence-variable regions. A better understanding of the contribution of each antigenic site to the overall antibody response to hemagglutinin may help in the design of improved influenza virus vaccines.

Funder

HHS | National Institutes of Health

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

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