The study will be implemented in a Health District (HD) experiencing a meningitis outbreak. In order to launch the study protocol, at least two Health Zones (HZs) of the HD will have met the weekly meningitis epidemic threshold . All villages in HZs included in the study will be eligible for inclusion. A village will be randomized to a study arm and receive its intervention once the first case has been reported from that village after the study has opened in an HZ. On inclusion in the study, a dedicated study nurse and at least two dedicated community health agents who have been trained in study procedures and case definitions will be stationed in each HZ.