Meningococcal meningitis.
D000293:Adolescent; D005260:Female; D006801:Humans; D008585:Meningitis, Meningococcal / Q000382:microbiology / Q000517:prevention & control*; D008826:Microbial Sensitivity Tests; D009345:Neisseria meningitidis / Q000187:drug effects*; D010403:Penicillin Resistance; D012293:Rifampin / Q000627:therapeutic use*
D012293:Rifampin