Epidemic meningococcal disease in an elementary-school classroom.
D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008585:Meningitis, Meningococcal / Q000453:epidemiology; D008589:Meningococcal Infections / Q000453:epidemiology* / Q000635:transmission; D009345:Neisseria meningitidis / Q000302:isolation & purification; D012574:Schools; D013781:Texas