TrichinellosisTrichinellaTrichinella spiralisWalrusesFood ParasitologyUrsidaeAntibodies, HelminthIdahoCarnivoraFuneral RitesMeatMeat ProductsAnimals, WildPrimary PreventionDisease OutbreaksSus scrofaMebendazoleFood IndustryPreventive MedicineFood ContaminationAlbendazoleHealth PromotionAntigens, HelminthZoonosesAnthelminticsSwinePreventive Health ServicesPopulation SurveillanceCenters for Disease Control and Prevention (U.S.)United StatesSwine DiseasesLarvaRisk FactorsIncidencePublic HealthSecondary PreventionCardiovascular DiseasesHealth Education