Table 1

Bacteria isolated from blood cultures from neonates <48 h old, England and Wales, January 2006–March 2008

OrganismNumber% Of all isolates
Gram+124682.2
 GBS47731.5
 CoNS32621.5
 Non-pyogenic streptococci*1429.4
Staphylococcus aureus754.9
Enterococcus spp.493.2
Micrococcus sp.352.3
Streptococcus pneumoniae322.1
 Diphtheroids322.1
 β-Haemolytic streptococci281.8
Listeria monocytogenes130.9
Bacillus sp.100.7
 Group A streptococci50.3
Propionibacterium sp.30.2
 Other191.3
Gram−27017.8
Escherichia coli1379.0
 Enterobacteriaceae352.3
Haemophilus influenzae342.2
Pseudomonas spp.181.2
Acinetobacter spp.120.8
Haemophilus parainfluenzae80.5
Haemophilus sp.40.3
 Other§221.5
Total1516100
  • * S viridans, S mitis, S oralis, S salivarius, S sanguinis group, S intermedius, S milleri, S anginosus, S acidominimus, S gordonii, Abiotrophia spp., Aerococcus spp.

  • Streptococcus group G, Streptococcus group C, Streptococcus group D, Bacillus other named, Bacteroides spp., Lactococcus cremoris, Listeria sp., Streptococcus group D, Eubacterium sp., Gardnerella vaginalis, S anaerobic, S dysgalactiae, S equisimilis.

  • Klebsiella spp., coliform, Enterobacter spp., Morganella spp., Kluyvera sp., Citrobacter spp., Pantoea sp., Proteus spp., Salmonella paratyphi, Serratia spp.

  • § Moraxella spp., Stenotrophomonas maltophilia, Bacteroides spp., Neisseria sp., Sphingomonas paucimobilis, Aeromonas spp., Peptostreptococcus spp., Burkholderia cepaci, Oligella urethralis, Roseomonas sp., Weeksella virosa.

  • CoNS, coagulase-negative staphylococci; GBS, group B streptococcus.