Ventilator associated pneumonia: The central role of transcolonization ScienceDirect Preventing ventilatorassociated pneumonia by non pharmacological interventions strictly indicate IMV & maintain as short as possible develop evidence based VAP prevention bundles tailored to local conditions enhance hand hygiene compliance 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 VAP, VAC, IVAC and Ventilator Associated Events: The Need for Objectivity for Surveillance