Table II.
Etiologic agents of bacterial meningitis and age of presentation among 111 infants
| Age at presentation | |||||
|---|---|---|---|---|---|
| 0–7 d | 8–59 d | 60–179 d | 6–12 mo | Total | |
| No. of infants | 8 (7) | 57 (51) | 29 (26) | 17 (15) | 111 |
| Organism | |||||
| Streptococcus agalactiae | 3 (38) | 27 (47) | 7 (24) | 1 (6) | 38 (34) |
| Streptococcous pneumoniae | 1 (2) | 13 (45) | 12 (71) | 26 (23) | |
| Escherichia coli | 2 (25) | 11 (19) | 4 (14) | 1 (6) | 18 (16) |
| Haemophilus influenzae (non-type b) | 1 (2) | 2 (7) | 2 (12) | 5 (5) | |
| Enterococcus spp. | 3 (5) | 1 (3) | 4 (4) | ||
| Streptococcus bovis | 1 (13) | 3 (5) | 4 (4) | ||
| Citrobacter spp. | 1 (13) | 2 (4) | 3 (3) | ||
| Klebsiella pneumoniae | 1 (13) | 1 (2) | 2 (2) | ||
| Listeria monocytogenes | 2 (4) | 2 (2) | |||
| Salmonella spp. | 2 (4) | 2 (2) | |||
| Staphylococcus aureus | 1 (2) | 1/29 (3) | 2 (2) | ||
| Acinetobacter spp. | 1 (3) | 1 (1) | |||
| Enterobacter spp. | 1 (2) | 1 (1) | |||
| Flavobacterium spp. | 1 (2) | 1 (1) | |||
| Neisseria meningitidis | 1 (6) | 1 (1) | |||
| Proteus mirabilis | 1 (2) | 1 (1) | |||
Numbers in parentheses, percent.