**2.4 Literature search**

The following data were included in this study (1) peer-reviewed studies of *T. solium* taeniasis/cysticercosis/neurocysticercosis, porcine cysticercosis and epilepsy in West Africa. (2) "Gray literature" on *T. solium* taeniasis/cysticercosis, neurocysticercosis presence in West Africa which consisted of informally published written materials including reports. We performed a literature search using PubMed (http:// www.ncbi.nlm.nih.gov/pubmed/) with date restriction from January 1, 1980 to January 5, 2019 using the following search term: (solium OR Tapeworm OR Taeniasis OR Taeni\* OR Taeniosis OR Neurocysticercosis OR Cysticerc\* OR epilepsy) AND West Africa (Benin OR Burkina Faso OR Ivory Coast OR Cape Verde OR Gambia OR Ghana OR Guinea OR Guinea Bissau OR Liberia OR Libya OR Malawi OR Mali OR Mauritania OR Niger OR Nigeria OR Senegal OR Sierra Leone OR Togo). We also searched other databases such as Google Scholar (http://scholar.google.com), Cab Direct (http://www.cab direct.org) and African Journals Online (http://www.ajol. info) using the following keywords: "*Taenia solium*," "porcine cysticercosis," "neurocysticercosis," "human cysticercosis" and "taeniasis" Epilepsy, West Africa.
