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Table 2 High risk area and population by country

From: The geographic distribution of onchocerciasis in the 20 participating countries of the African Programme for Onchocerciasis Control: (1) priority areas for ivermectin treatment

Country Surface* (1000 km2) Population** (1000) Population per km2 in CDTi areas High risk area
Surface (1000 km2) % of country surface Population (1000) % of country population
Angola 1,247 19,082 3.8 262.3 21.0% 985 5.2%
Burundi 28 8,383 341.0 3.4 12.3% 1,166 13.9%
Cameroon 475 19,599 24.2 249.5 52.5% 6,027 30.8%
CAR 623 4,401 5.2 328.1 52.7% 1,693 38.5%
Chad 1,284 11,227 21.6 93.7 7.3% 2,024 18.0%
Congo 342 4,043 34.8 20.9 6.1% 727 18.0%
DRC 2,345 65,966 22.1 1,247.3 53.2% 27,573 41.8%
Eq. Guinea 28 700 22.0 1.1 3.8% 87 12.4%
Ethiopia 1,104 82,950 46.7 177.1 16.0% 8,271 10.0%
Gabon† 268 1,505 3.8 0.7 0.3% 3 0.2%
Kenya 584 40,513 NA 0.0 0.0% 0 0.0%
Liberia 96 3,994 30.2 63.1 65.5% 1,904 47.7%
Malawi 118 14,901 237.4 7.2 6.1% 1,713 11.5%
Mozambique† 799 23,391 18.0 2.6 0.3% 46 0.2%
Nigeria 924 158,423 65.3 400.2 43.3% 26,120 16.5%
Rwanda 25 10,624 NA 0.0 0.0% 0 0.0%
South Sudan 644 10,693 13.8 312.5 48.5% 4,313 40.3%
Sudan 1,861 35,048 14.6 0.6 0.0% 9 0.0%
Tanzania 947 44,841 19.4 91.9 9.7% 1,783 4.0%
Uganda 242 33,425 56.4 25.5 10.6% 1,437 4.3%
Total 13,986 593,709 27.1 3,288 23.5% 85,881 14.5%
  1. *Source: http://wdi.worldbank.org/table/1.1.
  2. **Source: http://esa.un.org/wpp/Excel-Data/population.htm.
  3. †Population estimated using LandScan data for the high risk areas in the country.