| [diversity of malaria in the sahelo-saharan region. a review apropos of the status in niger, west africa]. | the concept of epidemiologic facies of malaria underlines the diversity in the expression of the disease in areas where important ecological variations interfere largely with transmission. niger is quite a border region between the afrotropical fauna from the south and the palearctic fauna from the north. the last one filters through the mountains where it maybe represents a relic of ancient paleoclimates. annual variations of the northern limit of anopheles arabiensis, in the sahelo-saharan reg ... | 1992 | 1476465 |