Control of meningococcal infection in the African meningitis belt by selective vaccination.

Abstract

During an outbreak of group-A meningococcal meningitis, information was collected on the distribution of cases of this infection in an area in northern Nigeria. More than 1 case was recorded in all but 3 of 23 affected villages. Members of 9 villages, with a population of about 10 000, in which there had been 2 cases of meningococcal disease were vaccinated… (More)

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