Helminth infections

The helminth fauna of Canada and Alaska is as diverse as the ethnic origins, habits, and geographic characteristics of their communities. Immigrants and travellers import helminths from around the world: the most clinically important being Echinococcus granulosus, cysticercosis, Strongyloides stercorals, and lymphatic filariasis. The helminths presently indigenous to Canada and Alaska are zoonoses and occur in those populations that live in close proximity to wild animals and/or consume either raw fish or meat. These include the nematodes Trichinella nativa, Anisakis simplex, and Pseudoterranova decipiens, the cestodes E. granulosus and several species of Diphyllobothrium, and the trematode Metorchis conjunctus.

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