title: Introduction to the section on lymphocyte activation and effector function.
authors.forename: Michael
authors.initials: M
authors.lastname: McHeyzer-Williams
authors.forename: Michel C
authors.initials: MC
authors.lastname: Nussenzweig
mesh_terms: D000818:Animals; D003602:Cytotoxicity, Immunologic / Q000276:immunology*; D006801:Humans; D007111:Immunity, Cellular / Q000276:immunology; D007156:Immunologic Memory / Q000276:immunology; D008213:Lymphocyte Activation / Q000276:immunology*