VAP (Ventilator Associated Pneumonia) Explained Simply for Nurses Ventilator Associated Pneumonia (VAP) is a serious hospital acquired infection that develops 48 hours or more after mechanical ventilation. It significantly increases ICU stay Ventilator Associated Pneumonia (VAP) EMCrit Project Which intervention helps prevent ventilator associated pneumonia (VAP)? Preventing Ventilator Associated Pneumonia in hospitals GOI Guidelines