Influenza immunization in the context of preexisting immunity

Susanne L. Linderman, Ali H. Ellebedy, Carl Davis, Christiane S. Eberhardt, Rustom Antia, Rafi Ahmed, Veronika I. Zarnitsyna

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Although we develop influenza immunity from an early age, it is insufficient to prevent future infection with antigenically novel strains. One proposed way to generate long-term protective immunity against a broad range of influenza virus strains is to boost responses to the conserved epitopes on the hemagglutinin, the major surface glycoprotein on the influenza virus. Influenza-specific humoral immunity comprises a large fraction of the overall immune memory in humans, and it has been long recognized that preexisting immunity to influenza shapes the response to subsequent influenza infections and vaccinations. However, the mechanisms by which preexisting immunity modulates the response to influenza vaccination are still not completely understood. Using a set of mathematical models, we explore several hypotheses that may contribute to diminished boosting of antibodies to conserved epitopes after repeated vaccinations.

Original languageEnglish
Article numbera040964
JournalCold Spring Harbor perspectives in medicine
Volume11
Issue number11
DOIs
StatePublished - Nov 2021

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