Cram-negative bacteria were mainly responsible for neonatal septicemia occurred within 3 days after birth, while gram-positive cocci were mainly responsible for neonatal septicemia occurred beyond 3 days after birth.

 
  • 出生3d内发病的病原菌以革兰阴性杆菌为主,出生3d以后发病的病原菌以革兰阳性球菌为主。
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