T cell mediated immunity to influenza: Mechanisms of viral control

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Infection with influenza A virus (IAV) is a major cause of worldwide morbidity and mortality. Recent findings indicate that T cell immunity is key to limiting severity of disease arising from IAV infection, particularly in instances where antibody immunity is ineffective. As such, there is a need to understand better the mechanisms that mediate effective IAV-specific cellular immunity, especially given that T cell immunity must form an integral part of any vaccine designed to elicit crossreactive immunity against existing and new strains of influenza virus. Here, we review the current understanding of cellular immunity to IAV, highlighting recent findings that demonstrate important roles for both CD4+ and CD8+ T cell immunity in protection from IAV-mediated disease.

Original languageEnglish
Pages (from-to)396-402
Number of pages7
JournalTrends in Immunology
Issue number8
Publication statusPublished - Aug 2014
Externally publishedYes


  • Immunological memory MHC class I MHC class II vaccination
  • Influenza A virus

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