Localisation of localised epidemics in five districts of the sanitary region Hauts-Bassins, Burkina Faso, 2006-2008. A localised epidemic (LE) was defined at the health centre level as 75 suspected meningitis cases reported per 100,000 inhabitants during at least two consecutive weeks, with a minimum of five cases within at least one week. Each circle includes the name of one or several health centres identified. Red circles, 2006. Green circles, 2007. Yellow circles, 2008. Map: DRS Hauts-Bassins.