TrichinellosisTrichinellaTrichinella spiralisWalrusesFood ParasitologyUrsidaeAntibodies, HelminthIdahoCarnivoraFuneral RitesMeatMeat ProductsAnimals, WildSus scrofaMebendazoleDisease OutbreaksFood IndustryFood ContaminationAlbendazoleAntigens, HelminthZoonosesAnthelminticsSwineLarvaSwine DiseasesCell DeathPopulation SurveillanceCause of Death