title: More things in heaven and earth: defining innate and adaptive immunity.
abstract: Natural killer cells have emerged as key components of innate immunity with critical antimicrobial functions. New work showing that they can also be accessed by vaccination to deliver antigen-specific memory responses and protect against subsequent viral infections challenges the traditional distinctions made between innate and adaptive immunity.
authors.affiliation: Department of Molecular Microbiology and Immunology, Brown University, Providence, Rhode Island, USA. christine_biron@brown.edu
authors.forename: Christine A
authors.initials: CA
authors.lastname: Biron
mesh_terms: D056704:Adaptive Immunity / Q000276:immunology*; D000818:Animals; D006801:Humans; D007113:Immunity, Innate / Q000276:immunology*; D007156:Immunologic Memory / Q000276:immunology; D007694:Killer Cells, Natural / Q000276:immunology*; D014611:Vaccination