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Table 4 Estimated number of people that would have been infected with Onchocerca volvulus in the 20 APOC countries in 2011 if there had been no ivermectin treatment

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

  Population per km2 in CDTi areas Surveyed area (1000 km2) Rural population in surveyed area (1000) Number infected with O.volvulus (1000)
Estimate Quantile 0.025 Quantile 0.975
Angola 3.8 1,015 3,812 440 410 475
Burundi 341.0 24 8,252 658 603 717
Cameroon 24.2 430 10,389 2,810 2,674 2,956
CAR 5.2 448 2,312 592 562 624
Chad 21.6 257 5,557 551 516 591
Congo 34.8 271 9,432 512 442 605
DRC 22.1 2,053 45,391 13,155 12,869 13,462
Equatorial Guinea 22.0 23 433 58 55 62
Ethiopia 46.7 446 20,842 2,882 2,677 3,117
Gabon NA 191 722 49 35 66
Kenya NA 57 3,035 68 37 123
Liberia 30.2 96 2,884 554 515 596
Malawi 237.4 77 18,245 817 727 968
Mozambique NA 549 9,889 330 275 398
Nigeria 65.3 858 56,016 8,510 8,292 8,750
Rwanda NA 20 9,550 228 179 283
South Sudan 13.8 535 7,380 1,361 1,269 1,464
Sudan 14.6 346 5,053 58 50 68
Tanzania 19.4 393 7,631 1,061 975 1,152
Uganda 56.4 180 10,135 865 814 925
Total 27.1 8,270 236,959 35,559 35,085 36,116