This list includes many of the common large shrubs of Canada, as well as the trees.any of the trees on this list are introduced as ornamentals or for food and are not common in Canada.
Human African Trypanosomiasis (HAT), also called African sleeping sickness, is a parasitic disease that is transmitted by infected tsetse flies. HAT can occur as a chronic or acute infection depending on the sub-species of parasite responsible for the infection.
Trypanosomiasis, also known as African sleeping sickness, is an infection endemic to sub-Saharan Africa. It is caused by protozoan parasites called trypanosomes, which are spread by the bite of the tsetse fly.There are two subspecies of trypanosomes that infect humans, each causing a different form of the disease.rypanosomiasis (trÉpÄnÂ´ÉsÅmÄ«Â´Ésis) , infectious disease caused by a protozoan organism, the trypanosome, which exists as a parasite in the blood of a number of vertebrate hosts. The three variations of the disease that predominate in humans are transmitted by an insect vector.