TrichinellosisTrichinellaTrichinella spiralisThailandWalrusesFood ParasitologyUrsidaeAntibodies, HelminthIdahoCarnivoraFuneral RitesMeatMeat ProductsAnimals, WildSus scrofaMebendazoleDisease OutbreaksFood IndustryFood ContaminationAlbendazoleZoonosesAntigens, HelminthEndemic DiseasesAnthelminticsSwineSwine DiseasesLarvaPopulation Surveillance