Meningococcal meningitis.
D001425:Bacterial Outer Membrane Proteins / Q000276:immunology; D001428:Bacterial Vaccines / Q000627:therapeutic use*; D006801:Humans; D008585:Meningitis, Meningococcal / Q000453:epidemiology / Q000276:immunology / Q000517:prevention & control*; D009345:Neisseria meningitidis / Q000145:classification / Q000276:immunology*; D011135:Polysaccharides, Bacterial / Q000276:immunology; D012621:Seasons; D006113:United Kingdom; D014611:Vaccination
D001425:Bacterial Outer Membrane Proteins; D001428:Bacterial Vaccines; D011135:Polysaccharides, Bacterial