[New trends in the prevention of meningococcal infections].
D006801:Humans; D007167:Immunotherapy; D007558:Italy; D008589:Meningococcal Infections / Q000517:prevention & control*; D011135:Polysaccharides, Bacterial / Q000627:therapeutic use*
D011135:Polysaccharides, Bacterial
Nuovi orientamenti in tema di profilassi meningococcica.