Baseline Nigeria – NG11 – East to west through parts of Yobe, Gombe, Bauchi, Jigawa, Kano, Zamfara, Sokoto and Kebbi States – April 2018
Baseline Nigeria – NG13 – Northern parts of Kebbi, Sokoto, Zamfara, Katsina, Kano, Yobe, Borno, central and northern Jigawa States – April 2018
