Investigation of a Neisseria meningitidis Serogroup A Case in the Meningitis Belt

This document aims to provide standardized guidance for public health authorities and investigators at all levels to plan and conduct the investigation of every meningitis case of Nm A. This guidance applies to all countries and areas that have introduced the MACV.

This document does not intend to provide comprehensive guidance on the control measures that need to be implemented in response to the identification of an Nm A case.