Table 1.
Prevalence of avian influenza virus (AIV) in sub-Saharan Africa.
| Study Region | No. of Studies | No. Samples | No. Positive | Prevalence (%) |
|---|---|---|---|---|
| Central Africa a | 4 | 4868 | 344 | 7.1 |
| East Africa b | 6 | 13,875 | 146 | 1.1 |
| West Africa c | 19 | 38,203 | 1269 | 3.3 |
| Southern Africa d | 12 | 12,518 | 349 | 2.8 |
| Total | 41 | 69,464 | 2108 | Overall prevalence: 3.0 |
Study regions: a Central African Republic, Congo Brazzaville, Cameroon and Democratic Republic of Congo, b Kenya, Uganda, c Benin, Burkina Faso, Ivory Coast, Gabon, Ghana, Mali, Niger, Nigeria, Togo, d Botswana, Namibia, South Africa, Zambia, Zimbabwe.