Changing social trends: day care.
D000208:Acute Disease; D001424:Bacterial Infections / Q000453:epidemiology / Q000209:etiology / Q000635:transmission; D002648:Child; D002656:Child Day Care Centers / Q000592:standards / Q000639:trends; D002675:Child, Preschool; D003968:Diarrhea, Infantile / Q000453:epidemiology; D006506:Hepatitis A / Q000453:epidemiology / Q000635:transmission; D006801:Humans; D006920:Hygiene; D007223:Infant