Pathogen | Neonates (0–1 month) | Infants (>1 month) | ||
---|---|---|---|---|
Number of isolates | Weighted prevalence % (95% CI) | Number of isolates | Weighted prevalence % (95% CI) | |
Staphylococcus aureus | 772 | 26 (18 to 34) | 148 | 22 (12 to 32) |
Klebsiella spp.‡ | 655 | 21 (15 to 26) | 103 | 10 (5 to 15) |
Escherichia coli | 244 | 8 (6 to 10) | 104 | 10 (4 to 16) |
Salmonella spp. | 155 | 3 (1 to 4) | 142 | 8 (1 to 15) |
Streptococcus pneumoniae | 108 | 2 (1 to 2) | 148 | 9 (4 to 14) |
Streptococcus agalactiae (group B streptococcus) | 179 | 2 (1 to 3) | 2 | <1 |
Streptococcus pyogenes | 87 | 1 (1 to 2) | 34 | 2 (0 to 4) |
Pseudomonas spp. | 83 | 2 (1 to 3) | 40 | 4 (1 to 7) |
Other streptococci | 76 | 2 (1 to 3) | 33 | 3 (1 to 6) |
Haemophilus influenzae | 5 | <1 | 72 | 4 (1 to 7) |
Acinetobacter spp. | 59 | <1 | 16 | 2 (0 to 3) |
Coagulase negative staphylococci | 60 | 1 (0 to 2) | 9 | 1 (0 to 2) |
Enterobacter spp. | 54 | 1 (0 to 1) | 13 | 1 (0 to 1) |
Citrobacter spp. | 28 | <1 | 17 | 1 (0 to 3) |
Chromobacterium spp. | 15 | <1 | 5 | <1 |
Serratia spp. | 19 | <1 | 0 | <1 |
Proteus spp. | 13 | <1 | 4 | <1 |
Enterococcus | 14 | <1 | 0 | 0 |
Neisseria meningitidis | 2 | <1 | 3 | <1 |
Flavobacterium spp. | 3 | <1 | 0 | <1 |
Other Gram-positive organisms* | 89 | 1 (0 to 2) | 0 | <1 |
Unidentified Gram-negative organisms† | 357 | 7 (4 to 9) | 79 | 7 (2 to 12) |
Total | 3077 | 972 |
*Unspecified Gram-positive bacteria.
†Unidentified Gram-negative organisms included data reported as enteric Gram-negative bacilli, ‘coliforms’ and ‘other Gram-negative organisms’.
‡90 of the Klebsiella isolates in infants aged 1–12 months were from one study (Sharma et al28).