<prompt> A forceps delivered premature baby develops fever, abnormal behavior, bulging fontanelle 5 days after bih. What is the likely causative organism?Neisseria meningitidisListeria monocytogenesStaph aureusPneumococcus  <response>: Given scenario suggests diagnosis of Meningitis Neonatal Listeriosis 2 clinical presentations are recognized: EARLY ONSET 5 DAYS LATE ONSET 5 DAYS Positive result of maternal Listeria culture Obstetric complications Premature delivery Low bihweight Neonatal sepsis Negative result of maternal Listeria Culture Uncomplicated pregnancy Term delivery Normal bihweight Neonatal meningitis 