TrichinellosisTrichinellaTrichinella spiralisWalrusesFood ParasitologyUrsidaeAntibodies, HelminthIdahoFeverCarnivoraFuneral RitesMeatMeat ProductsAnimals, WildSus scrofaMebendazoleDisease OutbreaksFood IndustryFood ContaminationAlbendazoleQ FeverAntigens, HelminthZoonosesSwineAnthelminticsYellow FeverTyphoid FeverLarvaSwine DiseasesFever of Unknown OriginPopulation Surveillance