African Programme for Onchocerciasis Control (APOC)

Map of the estimated prevalence of eye worm history in Africa

In December 2010, the countries and APOC Management completed the mapping of the distribution of loa loa using the prevalence of eye worm history through a Rapid Procedure for loa loa (RAPLOA) in the oncho and non-oncho endemic areas in 11 countries .

The overall prevalence map for Africa is based on survey data collected in more than 4,700 villages in 11 African countries.

Map of the estimated prevalence of eye worm history in Africa (generated using kriging analysis)

On the maps, the areas at high risk of SAEs are those with prevalence of eye worm history 40% and above. Please refer to the color code in the legend of the maps to determine these areas

Country specific maps

Loiasis mapping has been completed in 10 African countries. The exercise in ongoing and will be completed in Angola by mid-April 2011.