Importance of Infection Prevention from VAP and Use of Care Bundle Checklist 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 Strategies for the Diagnosis of Ventilator Associated Pneumonia Ventilator associated Pneumonia: They've Zapped VAP RT