Ans- African trypanosomiasis is also known as African sleeping sickness. This disease is caused by the parasitic protozoan of the Trypanosoma genus. It has two forms namely West African and East African trypanosomiasis. These protozoal infectious diseases are caused by Trypanosoma brucei gambiense and Trypanosoma brucei rhodesiense. This parasitic protozoan causes a chronic infection which may emerge as a severe disease years later. Its symptoms include fever clubbed together with severe headaches, irritability, and extreme fatigue. Swollen lymph nodes and aching muscles and joints are also some of the common symptoms. Some typical neurological problems may occur if the disease has spread into the central nervous system.