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What is Neonatal Sepsis?

July 10, 2026

Striking at the heart of antimicrobial resistance, the international NeoSep 1 trial to evaluate life-saving antibiotic combinations for newborns with sepsis has expanded to India, with the first baby being recruited at the JIPMER in Puducherry.

About Neonatal Sepsis:

  • It is a life-threatening bloodstream infection that occurs in babies under 90 days old, often affecting premature or low-birth-weight infants.
  • It is one of the leading causes of neonatal mortality in the world, taking 30% to 50% of babies’ lives.
  • Cause:
    • Bacterial infections are the most common cause of neonatal sepsis.
    • It can be caused by bacteria such as Escherichia coli (E coli), Listeria, and some strains of streptococcus.
    • The herpes simplex virus (HSV) can also cause a severe infection in a newborn baby. This happens most often when the mother is newly infected with HSV.
  • Classification:
    • Early-onset sepsis (EOS):
      • It presents at or before 72 hours of life.
      • The source of infection has been traditionally believed to be the maternal genital tract.
    • Late-onset sepsis (LOS):
      • It presents after 72 hours of life.
      • LOS can be either healthcare-associated (HAI) or community-acquired infection.
    • Treatment:
      • Sepsis in newborns is curable.
      • It must be treated in a hospital, usually through antibiotics transmitted intravenously.

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