TrichinellosisTrichinellaTrichinella spiralisWalrusesFood ParasitologyUrsidaeAntibodies, HelminthIdahoCarnivoraFuneral RitesMeatMeat ProductsAnimals, WildSus scrofaMebendazoleDisease OutbreaksFood IndustryFood ContaminationAlbendazoleOxygen ConsumptionZoonosesAntigens, HelminthSwineAnthelminticsLarvaSwine DiseasesPopulation SurveillanceAlcohol Drinking