TrichinellosisTrichinella spiralisTrichinellaWalrusesFood ParasitologyUrsidaeAntibodies, HelminthCarnivoraIdahoFuneral RitesMeatMeat ProductsAnimals, WildMebendazoleAntigens, HelminthDisease OutbreaksSus scrofaEpidemiologyFood IndustryLarvaFood ContaminationMolecular EpidemiologyAlbendazoleZoonosesSwineAnthelminticsSwine DiseasesPopulation SurveillanceFucusIncidence