Introduction
African trypanosomiasis or simply sleeping sickness is a vector-borne parasitic disease. It is also abbreviated as HAT, which stands for Human African trypanosomiasis. Sleeping sickness has two forms, depending on the type of the parasite that caused the infection (WHO, 2014).
The first type is Trypanosoma brucei gambiense. It is found in 24 countries in west and central Africa. It accounts for over 98% of the reported cases. It is possible for someone to be infected with this type of the sleeping sickness for long durations without major signs or symptoms. When major symptoms do emerge, the patient would ...