[malaria knowledge and practice. medical study in songhay-zarma (niger)].two randomized studies were performed in 1992 and 1994 in the niger river valley where malaria transmission is thought to be permanent and is reinforced during the rainy season. the sample covered 114 families either in niamey, the capital of niger, or in karma, a rural village 20 km to the west, and its surroundings. the questionnaire contained closed and open questions on the perception of malaria causes, treatment and prevention, including the use of mosquito bed nets. most of the 114 familie ...19958777545
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