Human African trypanosomiasis (HAT) is usually a fatal if untreated fly-borne neuroinflammatory disease caused by protozoa of the species (subspecies causing HAT. in the lymph or blood [30]. If the CATT remains positive at a dilution of 1 1 in 8 or greater and trypanosomes are seen in the blood film (or lymph), the subject… Continue reading Human African trypanosomiasis (HAT) is usually a fatal if untreated fly-borne