title: Modern approaches to live virus vaccines.
authors.affiliation: Department of Virology, Karolinska Institute, School of Medicine, Stockholm, Sweden.
authors.forename: E
authors.initials: E
authors.lastname: Norrby
mesh_terms: D000818:Animals; D006801:Humans; D009154:Mutation; D010849:Picornaviridae / Q000235:genetics / Q000276:immunology; D014613:Vaccines, Attenuated; D014765:Viral Vaccines; D014780:Viruses / Q000235:genetics / Q000276:immunology*
chemical_list: D014613:Vaccines, Attenuated; D014765:Viral Vaccines