Ventilator Associated Pneumonia: Diagnosis, Treatment, and Prevention Today's Topic: Ventilator Associated Pneumonia (VAP) VAP is a type of pneumonia that develops 48 hours or more after intubation and mechanical ventilation. Why It Happens: Bacteria enter the Ventilator Associated Pneumonia (VAP) is a serious lung infection that occurs in patients on mechanical ventilation for over 48 hours. It is often caused by bacteria entering the lungs through the ventilator, leading Ventilator associated pneumonia: A lung infection that can occur in people who are on mechanical ventilation, Ventilator Associated Pneumonia (VAP) EMCrit Project Striving for excellence in ventilator bundle compliance through continuous quality improvement initiative in the intensive care unit of a tertiary care hospital in India