Campylobacter InfectionsCampylobacterCampylobacter jejuniCampylobacter fetusCampylobacter coliEnteritisPrevalencePoultry ProductsPoultryPoultry DiseasesFecesChickensGuillain-Barre SyndromeFood MicrobiologyDiarrheaFoodborne DiseasesTravelAnimals, DomesticCampylobacter lariGastroenteritisPolyradiculoneuropathySeasonsFood HandlingFood ContaminationDrug Resistance, BacterialWalesMeatRisk FactorsCase-Control StudiesBacterial Typing TechniquesCiprofloxacinSerotypingMilkIncidencePeruDisease OutbreaksInfant, NewbornWater MicrobiologyPopulation SurveillanceAnti-Bacterial AgentsEnglandDenmarkMicrobial Sensitivity TestsAge FactorsCampylobacter rectusFlagellinAbattoirsDNA, BacterialArcobacterCross-Sectional StudiesBacterial ProteinsPolymerase Chain Reaction