Comparison between a clinical diagnosis method and the surveillance technique of the Center for Disease Control and Prevention for identification of mechanical ventilator associated pneumonia Critical Care Science (CCS) Five Things Pharmacists Should Know About Ventilator Associated Pneumonia ( VAP) Ventilator associated pneumonia (VAP) is a type of pneumonia that develops at least 48 hours after a patient was intubated and placed on the mechanical ventilator. It's a preventable lung infection that can Monitoring Ventilator Associated Events: Slide Presentation Agency for Healthcare Research and Quality