| [socio-entomologic survey in human trypanosomiasis focus of yamba (peoples republic of congo)]. | a study carried out at villagers level in a focus infected by human trypanosomiasis (yamba, bouenza region, congo, mikengue ethnic group) revealed that modern medicin is recognized by them as the sole possibility to treat the sleeping sickness. the witch doctor, if he cannot transmit the sickness, is perfectly able to aggravate it. he is considered as the responsible for any fatal issue. tsetse flies are charged of transmitting the sickness as well as other biting insects (black flies, ceratopog ... | 1985 | 4068972 |