title: The reaction of the immune system to pathogens but not food antigens and commensal bacteria.
authors.forename: T
authors.initials: T
authors.lastname: MacDonald
mesh_terms: D000818:Animals; D000941:Antigens / Q000276:immunology; D006801:Humans; D007108:Immune Tolerance / Q000276:immunology; D018928:Immunity, Mucosal / Q000276:immunology; D007413:Intestinal Mucosa / Q000276:immunology*; D007422:Intestines / Q000276:immunology; D009055:Mouth
chemical_list: D000941:Antigens