title: Meningitis: Neisseria meningitidis, serogroup W-135.
mesh_terms: D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008585:Meningitis, Meningococcal / Q000175:diagnosis* / Q000628:therapy; D008875:Middle Aged