This issue of Clinics in Perinatology reviews Healthcare Associated Infections in the Neonatal Intensive Care Unit. Guest Editors Drs. Karen Fairchild and Richard Polin have assembled a panel of expert contributors to pen articles on:

• Epidemiology and Risk Factors for NICU HAI: Genes and Environment
• Strategies to Reduce NICU HAI: Line, Tube, and Hand Hygiene
• Candida in the NICU: Pros and Cons of Prophylaxis; MRSA in the NICU
• New Concepts of Microbial Translocation in the Neonatal Intestine: Mechanisms and Prevention
• Antibiotic Resistance in NICU Pathogens: Mechanisms, Clinical Impact, and Prevention
• Biomarkers for LONS: Cytokines and Beyond
• Heart Rate Variability: A Novel Physiomarker for Sepsis Detection in the NICU
• Ventilator-Associated Pneumonia
• Perinatal Infection and Prematurity
• Meningitis in Neonates: Bench to Bedside