From: Finding inhabited settlements and tracking vaccination progress: the application of satellite imagery analysis to guide the immunization response to confirmation of previously-undetected, ongoing endemic wild poliovirus transmission in Borno State, Nigeria
Settlement status assessment
Number of settlements
% of total settlements
Abandoned
3203
26.9
0% intact (destroyed)
1892
15.9
25% intact or greater
1311
11.0
Partially abandoned
662
5.6
Fully inhabited
8062
67.6