Common bloodstream infection pathogens in children1
| Age group | Most common organisms |
| Infants<3 months | Escherichia coli, Streptococcus agalactiae and Staphylococcus aureus |
| Children>3 months | S. aureus, S. pneumoniae, Neisseria meningitidis |
| Adolescents | N. meningitidis |
| Immunocompromised children | All aforementioned, including Pseudomonas aeruginosa and Candida spp. |