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oa Central African Journal of Medicine - Pyogenic meningitis among Lagos children: causative organisms, age, sex and seasonal incidence

Volume 28, Issue 1
  • ISSN : 0008-9176

 

Abstract

Streptococcus pneumoniae (38.9%). Haemophilus influenzae (28.0%), Neisseria meningititis (16.0%) and the Coliforms (12.5%) in descending order of frequency were the main organisms causing pyogenic meningitis amongst Lagos children in the period under review. Strept. pneumoniae was a major cause of meningitis in all the paediatric age groups considered while H. influenzae was not isolated in children above five years of age and had a peak incidence in the age range 6 months to 2 years. N. meningitidis was the major cause of meningitis in the age range 5 to 10 years accounting for 68.4% of all isolates in this age group. E. coli and the other Coliforms accounted for 75% of the isolates made in the neonatal period. More males than females had meningitis caused by each of the four main bacterial agents identified above. More cases of confirmed pyogenic meningitis occurred in the dry season than during the rainy season. Strept. pneumoniae and H. influenzae exhibited similar monthly distribution with peak incidences during the cold rainy months (July - September) and the cold months (January/February) of the dry season. Both N. meningitidis and the Coliforms exhibited a low incidence during the harmattan period of the dry season while the harmattan had enhanced effect on the incidence of Strept. pneumoniae and H. influenzae.

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/content/CAJM/28/1/AJA00089176_2599
1982-01-01
2019-08-23

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