This type of fly can only be found in the Sub Saharan region of Africa. African trypanosomiasis disease, also called sleeping sickness, is caused by a parasite. African sleeping sickness is a disease caused by a parasite. Sleeping sickness, also called "human African trypanosomiasis", is a widespread tropical disease that can be fatal if not treated. The medical name for the sleepy sickness is encephalitis lethargica and should not confused with the sleeping sickness caused by the tsetse fly in sub-Saharan Africa. If the disease is not treated, it can cause death. It is a disease caused by the bite of tsetse fly transmitting the parasite trypanosoma causing acute and severe illness. It is spread by the bite of an infected tsetse fly (Glossina Genus), a species native to the African continent.More than sixty million people who live mainly in rural parts of East, West and Central Africa are at risk of contracting sleeping sickness. Symptoms include fatigue, high fever, headaches, and muscle aches. If left untreated, the infection progresses to death within months or years. Sleeping sickness or human African ‘Trypanosomiasis’ is a tropical disease caused by an infection with the flagellate protozoan ‘Trypanosoma brucei gambiense'. Sleeping sickness is an infectious illness caused by a parasitic protozoan known as Trypanosoma brucei. For many people the place (spot) where the fly bites will become red and swollen and may cause pain due to the formation of sores. African Sleeping Sickness Causes. Sleeping Sickness Definition Sleeping sickness (also called trypanosomiasis) is an infection caused by Trypanosoma protozoa; it is passed to humans through the bite of the tsetse fly. People can get this parasite when an infected Tsetse fly bites them. This protozoan enters the human body when a person receives a bite from an infected tsetse fly. This fly is only found in parts of tropical Africa, hence the disease … The disease usually attacks communities in rural areas and dwellings that have unsanitary environments. The symptoms of sleeping sickness include fever (mild to moderate), anxiety, dizziness, headache, loss of quality sleep, mood swings, feeling overly sleepy, excess of sweating, and fatigue. The encephalitis lethargica epidemic began in 1917 while the world was still enduring World War I … African Sleeping Sickness is caused by parasites derived from the bite of the Tsetse fly. Early detection of the African sleeping sickness disease helps in the better recovery and tolerance to the treatment. The only risk factor is travel to parts of Africa where the tsetse fly is found. It is spread by the Tsetse fly. It is passed on by the bite of the infected tsetse fly. This tsetse fly species is native to the African continent. 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