title: Validity of the hygiene hypothesis.
authors.forename: F
authors.initials: F
authors.lastname: Muñoz-López
mesh_terms: D004731:Endotoxins / Q000032:analysis; D004781:Environmental Exposure; D020022:Genetic Predisposition to Disease; D006801:Humans; D006920:Hygiene; D006967:Hypersensitivity / Q000453:epidemiology / Q000209:etiology* / Q000276:immunology; D006969:Hypersensitivity, Immediate / Q000235:genetics / Q000276:immunology; D007114:Immunization; D018448:Models, Immunological; D015995:Prevalence; D050378:T-Lymphocytes, Regulatory / Q000276:immunology; D018417:Th1 Cells / Q000276:immunology; D018418:Th2 Cells / Q000276:immunology*; D051193:Toll-Like Receptors / Q000502:physiology
chemical_list: D004731:Endotoxins; D051193:Toll-Like Receptors