Reducing Ventilator Associated Pneumonia (VAP) HAI Watch 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 PatEdu.com : Ventilator Associated Pneumonia VAP Screening for ventilator associated pneumonia infection through a breath test Qualitech Healthcare Vap, Prevention