The home as a biocenose: children, pets, and disease.
D000818:Animals; D002648:Child; D002675:Child, Preschool; D003141:Communicable Diseases / Q000453:epidemiology*; D004463:Ecology; D006801:Humans; D010272:Parasitic Diseases / Q000453:epidemiology*; D015047:Zoonoses / Q000453:epidemiology*