Nigeria leads with new meningitis vaccine rollout - WHO Nigeria has become the first country in the world to roll out a new meningitis vaccine (called Men5CV) recommended by the World Health Organisation (WHO) in a historic move. According to WHO, this is especially important for countries like Nigeria where multiple serogroups are prevalent. The new vaccine uses the same technology as the meningitis A conjugate vaccine (MenAfriVac®), which wiped out meningococcal A epidemics in Nigeria. The vaccine and emergency vaccination activities are funded by Gavi, the Vaccine Alliance, which funds the...