what is neonatal sepsis
Neonatal sepsis. Neonatal sepsis is a blood infection that occurs in an infant younger than 90 days old. Early-onset sepsis is seen in the first week of life occurs after 1 week and before 3 months of age. Neonatal sepsis can be caused by bacteria such as Escherichia coli (E.coli), Listeria, and some strains of streptococcus. Group B streptococcus (GBS) has been a major cause of neonatal sepsis. However, this problem has become less common because women are screened during pregnancy.