Ventilator associated pneumonia: pathobiological heterogeneity and diagnostic challenges Nature Communications Evidence Based Practices to Prevent Ventilator Associated Pneumonia in an Intensive Care Unit in Bangladesh Frontiers Drug Prevention and Control of Ventilator Associated Pneumonia 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