Vaccination against meningococcal disease.
D001428:Bacterial Vaccines; D006801:Humans; D008585:Meningitis, Meningococcal / Q000517:prevention & control; D008589:Meningococcal Infections / Q000517:prevention & control*; D009345:Neisseria meningitidis; D013449:Sulfonamides / Q000627:therapeutic use; D014611:Vaccination
D001428:Bacterial Vaccines; D013449:Sulfonamides