The tracing of Salmonella carriers.
D000818:Animals; D001434:Bacteriophage Typing; D002353:Carrier State / Q000175:diagnosis; D006801:Humans; D008722:Methods; D012480:Salmonella Infections / Q000175:diagnosis*; D012483:Salmonella Phages; D012482:Salmonella paratyphi A; D012486:Salmonella typhimurium