Agens Neisseria meningitidis
DNA Neisseria meningitidis
DNA Neisseria meningitidis B
DNA Neisseria meningitidis C
Neisseria meningitidis -> DNA Neisseria meningitidis B
Neisseria meningitidis -> DNA Neisseria meningitidis C
Neisseria meningitidis -> DNA Neisseria meningitidis