The potential of the microbiota to influence vaccine responses.

David Lynn, Bali Pulendran

    Research output: Contribution to journalReview articlepeer-review

    67 Citations (Scopus)


    After clean water, vaccines are the primary public health intervention providing protection against serious infectious diseases. Antigen-specific antibody-mediated responses play a critical role in the protection conferred by vaccination; however these responses are highly variable among individuals. In addition, vaccine immunogenicity is frequently impaired in developing world populations, for reasons that are poorly understood. Although the factors that are associated with interindividual variation in vaccine responses are likely manifold, emerging evidence from mouse models and studies in human populations now suggests that the gut microbiome plays a key role in shaping systemic immune responses to both orally and parenterally administered vaccines. Herein, we review the evidence to date that the microbiota can influence vaccine responses and discuss the potential mechanisms through which these effects may be mediated. In addition, we highlight the gaps in this evidence and suggest future directions for research.

    Original languageEnglish
    Pages (from-to)225-231
    Number of pages7
    JournalJournal of Leukocyte Biology
    Issue number2
    Publication statusPublished - 1 Feb 2018


    • antibiotics
    • antibody
    • B cell
    • short-chain fatty acids
    • T cell


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