Ventilator Associated Pneumonia (VAP) Definition, Risk Factors, Pathogenesis, Preventive Measures VAP Bundle Ventilator Associated Pneumonia Ventilator Associated Pneumonia ( VAP) is a lung infection that occurs in patients who are on mechanical ventilation for more than 48 hours. A VAP bundle is a set of Ventilator Associated Pneumonia Monitoring Ventilator Associated Events: Slide Presentation Agency for Healthcare Research and Quality Developing a New, National Approach to Surveillance for Ventilator Associated Events Preventive bundle approach decreases the incidence of ventilator associated pneumonia in newborn infants Journal of Perinatology