Revisiting the immune trypanolysis test to optimise epidemiological surveillance and control of sleeping sickness in west Africa Instituut voor Tropische Geneeskunde
BACKGROUND: Because of its high sensitivity and its ease of use in the field, the card agglutination test for trypanosomiasis (CATT) is widely used for mass screening of sleeping sickness. However, the CATT exhibits false-positive results (i) raising the question of whether CATT-positive subjects who are negative in parasitology are truly exposed to infection and (ii) making it difficult to evaluate whether Trypanosoma brucei (T.b.) gambiense is ...