Neisseria meningitidis, beta lactamase negative (organism)
Neisseria meningitidis, beta lactamase positive (organism)
Neisseria meningitidis (organism)
Neisseria meningitidis non-groupable (organism)
Neisseria meningitidis serogroup A (organism)
Neisseria meningitidis serogroup B (organism)
Neisseria meningitidis serogroup C (organism)
Neisseria meningitidis serogroup E (organism)
Neisseria meningitidis serogroup W (organism)
Neisseria meningitidis serogroup X (organism)
Neisseria meningitidis serogroup Y (organism)
Neisseria meningitidis serogroup Z (organism)
