Effectiveness of NmCV-5 vaccine against meningococcal meningitis in an outbreak setting in Niger: results from a case-control study.
BACKGROUND Meningococcal meningitis remains a major public health challenge in Africa's meningitis belt despite the successful elimination of serogroup A epidemics following MenAfriVac introduction. Outbreaks caused by serogroups C, W, and X persist. NmCV-5, a pentavalent conjugate vaccine targeting serogroups A, C, W,...