[Bacterial meningitis. Study from 1970 to 1988 at the Regina Margherita Children's Hospital in Turin].

From 1970 to 1988, 330 cases of bacterial meningitis were diagnosed at the Children's Hospital Regina Margherita of Turin. Neisseria meningitidis was the most frequent cause of bacterial meningitis (45%); meningitis caused by Haemophilus influenzae increased from 4% in 1970-1983 to 19% in 1984-1988, and meningitis with pathogen unknown decreased from 28% in 1970-1983 to 7% in 1984-1988. The neonatal meningitis in 1984-1988 were caused by Streptococcus B in 90% of cases.