title: Progress in defining CD4 helper cell responses in chronic viral infections.
authors.affiliation: Peter Medawar Building for Pathogen Research, Nuffield Department of Medicine, University of Oxford, Oxford, UK.
authors.forename: Cheryl L
authors.initials: CL
authors.lastname: Day
authors.forename: Bruce D
authors.initials: BD
authors.lastname: Walker
mesh_terms: D015496:CD4-Positive T-Lymphocytes / Q000276:immunology*; D002908:Chronic Disease; D015658:HIV Infections / Q000276:immunology*; D006801:Humans; D007371:Interferon-gamma / Q000096:biosynthesis; D007376:Interleukin-2 / Q000096:biosynthesis
chemical_list: D007376:Interleukin-2; D007371:Interferon-gamma