Study Area and period The study will be conducted in three districts of Gedeo Zone ,Southern Region of Ethiopia with population of density of 650 per Sq. Kms.,. The Region is one of the nine Regions in the country which makes 20% of national population. Gedeo Zone is one of the highly populated areas in Ethiopia and in Africa at large. The Zonal town, Dilla, is located some 365 and 92 Kms away from the national and regional capitals, Addis Ababa and Hawassa respectively.