| endemicity of onchocerciasis in some local government areas of niger state. | the established method of justifying the need for ivermectin delivery to a community is the use of rapid assessment method (ram). this method involves the clinical examination of 50 adult males, who have been resident in the community for at least five years, for onchocercal nodules and leopard skin. the values obtained for these indices will guide the classification of such a community as being hypoendemic, mesoendemic or hyperendemic. those that fall within mesoendemic and hyperendemic categor ... | 2004 | 15490791 |