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Table 2 Estimates of populations living in areas endemic for three major filariases in Africa, which may be targeted with tailored mass drug administration (MDA) schemes according to the level of co-endemicity of the filarial nematode species
| Estimates of populations living in areas potentially targetable with different MDA schemes | ||||||||
|---|---|---|---|---|---|---|---|---|
| IVM + ALB | IVM | IVM + ALB (E)a | IVM (E)a | ALB(2/year) + ITNa | IVM + ALB + ITN (E + MM)a | DEC + ALB + IVMb | IVM (E + MM)a | |
| Eastern Africa | 8,413,869 | 20,963,598 | – | – | – | – | 45,192,922 | – |
| Burundi | – | 1,390,645 | – | – | – | – | – | – |
| Eritrea | – | – | – | – | – | – | 104,459 | – |
| Ethiopia | 2,340,296 | 14,392,313 | – | – | – | – | 1,161,307 | – |
| Kenya | – | – | – | – | – | – | 1,045,022 | – |
| Madagascar | – | – | – | – | – | – | 13,557,237 | – |
| Malawi | – | 2,048,395 | – | – | – | – | – | – |
| Mozambique | 493,510 | 742,771 | – | – | – | – | 10,369,358 | – |
| Rwanda | – | 38,195 | – | – | – | – | – | – |
| Uganda | 1,426,558 | 2,174,834 | – | – | – | – | 992,624 | – |
| Tanzania | 4,153,505 | 176,445 | – | – | – | – | 10,262,625 | – |
| Zambia | – | – | – | – | – | – | 6,426,817 | – |
| Zimbabwe | – | – | – | – | – | – | 1,273,473 | – |
| Middle Africa | 17,259,697 | 18,580,670 | 7,040,636 | 2,498,132 | 1,381,558 | 6,636,062 | 4,154,028 | 1,741,016 |
| Angola | 225,104 | 5,670,871 | – | 111,473 | 323 | 2314 | 116,774 | 244,993 |
| Cameroon | 3,064,962 | 435,486 | 1,270,793 | 245,554 | 331,363 | 1,548,497 | 635,665 | 251,586 |
| CAR | 555,240 | 5358 | 681,391 | 3062 | 697,014 | 756,080 | 60,605 | 33,118 |
| Chad | 1,139,547 | 857,065 | 476,212 | 25,770 | – | 211,614 | 363,059 | – |
| Congo | 37,729 | 3026 | 101,911 | 5767 | 39,154 | 29,242 | 27,589 | 9924 |
| DRC | 12,237,115 | 11,608,864 | 4,483,037 | 2,104,428 | 222,533 | 3744,58 | 2,950,335 | 1,038,597 |
| Equatorial Guinea | – | – | 27,293 | – | 91,172 | 343,735 | – | – |
| Gabon | – | – | – | 2078 | – | – | – | 162,798 |
| Northern Africa | 3,045,672 | 3,046,221 | 509,869 | 18,858 | 19,263 | 208,310 | 4,688,564 | 8669 |
| South Sudan | 2,998,136 | 2,969,800 | 509,869 | 18,858 | 19,263 | 208,310 | 843,150 | 8669 |
| Sudan | 47,536 | 76,421 | – | – | – | – | 3,845,414 | – |
| Western Africa | 50,942,788 | 23,619,598 | 3,563,101 | 724,325 | – | 21,278 | 26,738,452 | 72,050 |
| Benin | 1,821,021 | 1,847,795 | – | – | – | – | 97,670 | – |
| Burkina Faso | 4,332,528 | 5,527,801 | – | – | – | – | – | – |
| Ghana | 307,396 | 2,030,355 | – | – | – | – | 84,886 | – |
| Guinea | 3,390,416 | 227,213 | – | – | – | – | 1,461,344 | – |
| Guinea-Bissau | 176,095 | – | – | – | – | – | 524,123 | – |
| Liberia | 42,021 | – | – | – | – | – | 1,964,905 | – |
| Mali | 5,959,767 | 6758 | – | – | – | – | 2,861,263 | – |
| Mauritania | – | – | – | – | – | – | 700,830 | – |
| Niger | 78,987 | 842,637 | – | – | – | – | 4,837,755 | – |
| Nigeria | 25,275,083 | 10,052,102 | 3,563,101 | 724,325 | – | 21,278 | 7,974,187 | 72,050 |
| Senegal | 412,921 | – | – | – | – | – | 2,883,203 | – |
| Sierra Leone | 2,688,260 | – | – | – | – | – | 683,589 | – |
| Togo | – | 2,670,471 | – | – | – | – | – | – |
| Côte d’Ivoire | 6,458,292 | 414,466 | – | – | – | – | 2,664,695 | – |
| Grand total | 79,662,026 | 66,210,087 | 11,113,605 | 3,241,315 | 1,400,822 | 6,865,650 | 80,773,966 | 1,821,736 |
