West Africa | East Africa | |||||
---|---|---|---|---|---|---|
Year | No. of area | Infected areas | Infection prevalence (%) | No. of area | Infected areas | Infection prevalence (%) |
2005 | 13 | 7 | 0.538 | 98 | 25 | 0.255 |
2006 | 51 | 12 | 0.235 | 98 | 16 | 0.163 |
2007 | 51 | 9 | 0.176 | 177 | 34 | 0.192 |
2008 | 51 | 11 | 0.216 | 177 | 35 | 0.198 |
2009 | 51 | 9 | 0.176 | 177 | 40 | 0.226 |
2010 | 51 | 18 | 0.353 | 177 | 52 | 0.294 |
2011 | 44 | 12 | 0.273 | 116 | 17 | 0.147 |
2012 | 44 | 9 | 0.205 | 151 | 31 | 0.205 |
2013 | 44 | 18 | 0.409 | 151 | 35 | 0.232 |
2014 | 44 | 6 | 0.136 | 151 | 25 | 0.166 |
Total | 444 | 111 | 0.250 | 904 | 202 | 0.210 |