Agents that commonly cause nosocomialneonatal infection are

(B). Agents that commonly cause nosocomial infection are ooagulase~negative staphylococci, gram-negative bacilli (E. coli, Klebsiella pneumoniae. Salmonella, Enterobacter, Citrobacter, Pseudomonas aeruginosa, Serratia), enterococoi, S. aureus, and Candida. Viruses contributing to nosocomial neonatal infection include enteroviruses, CMV, hepatitis A, adenoviruses, influenza, respiratory syncytial virus (RSV), rhinovirus, parainfluenza, HSV, and rotavirus. Community-acquired pathogens such as Streptococcus pneumoniae may also cause infection in newborn infants after discharge from the hospital.