Final answer:
The most common bug associated with neonatal fever is Group B streptococcus (GBS). Empiric treatment for neonatal fever caused by GBS typically involves intravenous penicillin or ampicillin plus gentamicin.
Step-by-step explanation:
The most common bug associated with neonatal fever is Group B streptococcus (GBS). GBS is an encapsulated gram-positive bacterium that can cause neonatal meningitis. Empiric treatment for neonatal fever caused by GBS typically involves intravenous penicillin or ampicillin plus gentamicin.