We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleNo one is naive: the significance of heterologous T-cell immunity.AuthorsWelsh RM; Selin LKPublicationNature reviews. Immunology, 2002, Vol 2, Issue 6, p417ISSN1474-1733Publication typearticleDOI10.1038/nri820