| key indicators for the monitoring and evaluation of control programmes of human african trypanosomiasis due to trypanosoma brucei gambiense. | very little research has been devoted to the design of epidemiological tools for the monitoring and evaluation of national human african trypanosomiasis (hat) control programmes and daily management decisions are made in the absence of accurate knowledge of the situation. this paper identifies key indicators necessary to make decisions in the field and constantly adjust control activities to changing situations. examples are derived from the médecins sans frontières (msf) hat control programme i ... | 1998 | 9657510 |