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J Intern Med. 2011 May;269(5):507-18. doi: 10.1111/j.1365-2796.2011.02367.x. Epub 2011 Mar 25.

Hallmarks of CD4 T cell immunity against influenza.

Author information

  • 1Department of Pathology, University of Massachusetts Medical School, Worcester, MA 01655, USA. kai.mckinstry@umassmed.edu

Abstract

The mechanisms responsible for heterosubtypic immunity to influenza virus are not well understood but might hold the key for new vaccine strategies capable of providing lasting protection against both seasonal and pandemic strains. Memory CD4 T cells are capable of providing substantial protection against influenza both through direct effector mechanisms and indirectly through regulatory and helper functions. Here, we discuss the broad impact of memory CD4 T cells on heterosubtypic immunity against influenza and the prospects of translating findings from animal models into improved human influenza vaccines.

© 2011 The Association for the Publication of the Journal of Internal Medicine.

PMID:
21362069
[PubMed - indexed for MEDLINE]
PMCID:
PMC3395075
Free PMC Article
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