Meningococcal disease.
D000293:Adolescent; D000328:Adult; D001428:Bacterial Vaccines / Q000008:administration & dosage; D002648:Child; D002675:Child, Preschool; D018153:Czech Republic / Q000453:epidemiology; D006801:Humans; D007223:Infant; D008589:Meningococcal Infections / Q000453:epidemiology* / Q000517:prevention & control; D008889:Military Personnel / Q000706:statistics & numerical data; D009345:Neisseria meningitidis / Q000145:classification / Q000276:immunology
D001428:Bacterial Vaccines