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.
3. African sleeping sickness is a disease caused by the protozoa, which are carried by the tsetse fly and are transmitted to humans through tsetse fly bites. This disease is fairly damaging to the human body and can cause serious illness.frican Sleeping Sickness. African sleeping sickness is a disease caused by the protozoa, which are carried by the tsetse fly and are transmitted to humans through tsetse fly bites.