title: Outbreak of campylobacter infection in a south Wales valley.
mesh_terms: D002169:Campylobacter Infections / Q000453:epidemiology* / Q000209:etiology*; D015331:Cohort Studies; D004196:Disease Outbreaks; D006801:Humans; D014852:Wales / Q000453:epidemiology; D014871:Water Microbiology; D014881:Water Supply