title: [Infection protection requires maintenance in a "over-hygienic" surrounding world].
authors.affiliation: Drottning Silvias barn- och ungdomssjukhus, Göteborg. anders.fasth@pediat.gu.se
authors.forename: Anders
authors.initials: A
authors.lastname: Fasth
mesh_terms: D003140:Communicable Disease Control; D006801:Humans; D006920:Hygiene; D007113:Immunity, Innate; D007112:Immunity, Maternally-Acquired; D014611:Vaccination