Meningococcal disease: the facts.
D000328:Adult; D002648:Child; D005060:Europe / Q000453:epidemiology; D014943:Global Health; D006801:Humans; D008589:Meningococcal Infections / Q000175:diagnosis* / Q000453:epidemiology / Q000382:microbiology / Q000628:therapy*; D011159:Population Surveillance; D012307:Risk Factors; D014481:United States / Q000453:epidemiology