title: History of immunology. A history of theories of acquired immunity.
mesh_terms: D000486:Allergy and Immunology / Q000266:history*; D001770:Blood Bactericidal Activity; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D007109:Immunity; D007110:Immunity, Active; D007112:Immunity, Maternally-Acquired; D008273:Magic; D009995:Osmosis; D012899:Smallpox / Q000276:immunology