Good talk Bill Gates. We are seeing humanitarian disaster issues in our own backyard with the IDPs, a product of the Boko insurgency. Our children are undernourished, malnourished and some will be permanently stunted and damaged for the rest of their life. Remember the 4 cases of polio which dragged Nigeria back to polio endemicity (after 2 years of polio freedom) came from the IDPs and other conflict induced inaccessible areas of Nigeria. Conflicts set nations back to underdevelopment