TrichinellosisTrichinellaTrichinella spiralisDisease OutbreaksWalrusesFood ParasitologyUrsidaeAntibodies, HelminthIdahoCarnivoraFuneral RitesMeatMeat ProductsAnimals, WildSus scrofaMebendazoleFood IndustryFood ContaminationZoonosesAlbendazoleAntigens, HelminthSwineAnthelminticsPopulation SurveillanceSwine DiseasesLarvaFoodborne Diseases