Urban salmonellosis.
D000985:Antisepsis; D002140:California; D002353:Carrier State; D002648:Child; D002675:Child, Preschool; D003428:Cross Infection / Q000453:epidemiology / Q000517:prevention & control; D003967:Diarrhea / Q000382:microbiology; D004196:Disease Outbreaks; D006801:Humans