VAP, VAC, IVAC and Ventilator Associated Events: The Need for Objectivity for Surveillance 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 JMDH Dove Medical Press Main endogenous and exogenous risk factors for VAP. Download Scientific Diagram Ventilator Associated Pneumonia in Adult Patients Preventive Measures: A Review of the Recent Advances