Neisseria meningitidis within the crews of a Polaris submarine: a longitudinal carrier study.
D002353:Carrier State; D006801:Humans; D008297:Male; D009305:Nasopharynx / Q000382:microbiology; D009345:Neisseria meningitidis / Q000302:isolation & purification*; D013366:Submarine Medicine; D014481:United States