Trypanosomiasis, AfricanTrypanosoma brucei gambienseTrypanosoma brucei rhodesienseTrypanocidal AgentsMelarsoprolTsetse FliesTrypanosoma brucei bruceiTrypanosomiasisDemocratic Republic of the CongoAngolaCentral Nervous System Protozoal InfectionsPentamidineTrypanosomiasis, BovineCongoNifurtimoxTrypanosomaEflornithineSudanBenzamidinesAntiprotozoal AgentsCentral African RepublicNeglected DiseasesParasitic Sensitivity TestsInsect ControlParasitologyUgandaTrypanosoma congolenseChadCerebrospinal FluidChancreSuraminGabonCote d'IvoireAgglutination TestsAntibodies, ProtozoanInsect VectorsTrypanosoma vivaxDNA, ProtozoanAfrica South of the SaharaAfricaZambiaDrug Evaluation, PreclinicalLatex Fixation TestsProtozoan ProteinsDrug DiscoveryAfrican AmericansAfrica, CentralBlood-Brain BarrierVariant Surface Glycoproteins, TrypanosomaSensitivity and SpecificityDiminazeneCentral Nervous System Parasitic InfectionsTropical MedicineFlocculation TestsDisease Models, AnimalGuineaParasitic DiseasesMolecular StructureTime Factors