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 Ventilator Associated Events: What They Are and What They Are Not Michael Klompas, 2019 Importance of Infection Prevention from VAP and Use of Care Bundle Checklist Ventilator Associated Pneumonia (VAP) Explained Clearly Part 1