Health ResortsAltitudeLength of StayAltitude SicknessProgressive Patient CareRetrospective StudiesRestaurantsTravelAir ConditioningSwimming PoolsHousingHydrotherapyLegionnaires' DiseaseDisease OutbreaksNitrogen CompoundsNorwalk virusCaliciviridae InfectionsHawaiiLegionellaHomeless PersonsConvalescenceGastroenteritisLegionella pneumophilaBed OccupancyVirginiaNorovirusWater PollutionFoodborne DiseasesWater SupplyAir Pollution, IndoorWater MicrobiologyWorkplaceFresh WaterEnvironmental MonitoringDiarrheaOccupational HealthOccupational DiseasesQuestionnairesTreatment OutcomePostoperative ComplicationsIntensive Care UnitsHospital CostsPatient DischargeHospital MortalityCross-Sectional StudiesLaparoscopyHospitalizationHospital ChargesProspective StudiesPatient ReadmissionIntensive CareTime Factors