Impact of interventions including vaccination against on the frequency of meningitis in the African meningitis belt: a scoping review protocol.

In the African meningitis belt (region from Senegal to Ethiopia), there are around 30,000 reported cases of meningococcal disease per year. The main aetiological agent is of serogroup A. Since 2010, vaccination efforts have increased and hundreds of millions of people have been vaccinated.