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Table 1 Extent of excluded and surveyed areas in the 20 APOC countries

From: The geographic distribution of onchocerciasis in the 20 participating countries of the African Programme for Onchocerciasis Control: (2) pre-control endemicity levels and estimated number infected

Country Country surface (1000 km2) Excluded area Surveyed area Non-surveyed area
1000 km2 % 1000 km2 % 1000 km2 %
Angola 1,247 84 6.7 1,015 81.4 148 11.9
Burundi 28 4 13.0 24 87.0 0 0.0
Cameroon 475 25 5.2 430 90.5 21 4.3
CAR 623 129 20.6 448 71.9 46 7.4
Chad 1, 284 1, 027 80.0 257 20.0 0 0.0
Congo 342 59 17.1 271 79.3 12 3.5
DRC 2,345 183 7.8 2,053 87.6 109 4.6
Eq Guinea 28 4 15.2 23 80.4 0 0.0
Ethiopia 1,104 583 52.8 446 40.4 75 6.8
Gabon 268 19 7.3 191 71.5 57 21.2
Kenya 584 505 86.3 57 9.8 23 3.9
Liberia 96 1 0.8 96 99.2 0 0.0
Malawi 118 39 33.3 77 64.9 2 1.9
Mozambique 799 60 7.5 549 68.7 190 23.8
Nigeria 924 42 4.6 858 92.9 0 0.0
Rwanda 25 5 21.3 20 78.0 0 0.0
South Sudan 644 68 10.6 535 83.0 41 6.4
Sudan 1,861 1,516 81.4 346 18.6 0 0.0
Tanzania 947 380 40.1 393 41.5 174 18.4
Uganda 242 62 25.5 180 74.4 0 0.0
Total 13,986 4, 793 34.3 8,270 59.1 898 6.4