Evidence Based Practices to Prevent Ventilator Associated Pneumonia in an Intensive Care Unit in Bangladesh 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 Care Bundle Approach for Oral Health Maintenance : Critical Care Nursing Quarterly Vap Acronym Ventilator Acquired Pneumonia Lung Stock Illustration 2725534863 Shutterstock