Major criteria |
A previously healthy person in an onchocerciasis endemic area who develops head-nodding or convulsive epilepsy of unknown etiology between the ages 3 and 18 Plus at least one of the following: |
Minor criteria |
Other neurological abnormalities (cognitive decline, school dropout due to cognitive/behavioral problems, psychiatric manifestations, other neurological abnormalities) Clustering in space or time with similar cases Stunting or wasting Delayed sexual development |