title: Meningitis. Opportunistic infections of C.N.S.
mesh_terms: D001424:Bacterial Infections / Q000209:etiology; D006801:Humans; D008581:Meningitis / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology*; D008587:Meningitis, Viral / Q000209:etiology; D009181:Mycoses / Q000209:etiology; D011528:Protozoan Infections / Q000209:etiology