Salmonella surveillance.
D005511:Food Handling; D005516:Food Microbiology; D005522:Food Services; D006801:Humans; D012478:Salmonella Food Poisoning / Q000453:epidemiology* / Q000635:transmission; D012477:Salmonella enteritidis; D012486:Salmonella typhimurium; D006113:United Kingdom / Q000453:epidemiology