Meningococcal disease in south-west of England.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks; D004739:England; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008589:Meningococcal Infections / Q000453:epidemiology*