[A consequence of the progress of hygiene. The marked and progressive rareness of pathogenic microorganisms responsible for infections by indirect transmission].
D003141:Communicable Diseases / Q000453:epidemiology*; D006801:Humans; D006920:Hygiene
Une conséquence des progrès de l'hygiène. La raréfaction considérable et progressive des germes pathogènes responsables des infections à transmission indirecte.