title: Vaccines and the power of immunity.
authors.affiliation: Dakota Clinic, West Acres, Fargo, North Dakota, USA.
authors.forename: R T
authors.initials: RT
authors.lastname: Vetter
authors.forename: D
authors.initials: D
authors.lastname: Hoel
mesh_terms: D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D006801:Humans; D007109:Immunity; D011051:Poliomyelitis / Q000266:history / Q000276:immunology; D012899:Smallpox / Q000266:history / Q000276:immunology; D014612:Vaccines / Q000266:history*
chemical_list: D014612:Vaccines