| pyogenic meningitis in ibadan, nigeria. a 15-month prospective study. | between january 1976 and march 1977, cerebrospinal fluid samples from 2130 patients at university college hospital, ibadan, nigeria were examined, 130 patients were shown to have pyogenic meningitis. the commonest causative bacteria were streptococcus pneumoniae (53.8%), haemophilus influenzae (23%), neisseria meningitidis (7.7%) and klebsiella spp. (3%). most of the infections occurred in very young children: 47% of all patients were under 1 year of age, and 69% were under 5 years old. the over ... | 1978 | 675164 |