Vap Acronym Ventilator Acquired Pneumonia Lung Stock Illustration 2725534863 Shutterstock Anipio VENTILATION ASSOCIATED PNEUMONIA (VAP) IN ACUTE HOSPITALS Ventilator associated pneumonia: A lung infection that can occur in people who are on mechanical ventilation, Cases of Vaping Related Lung Illness Surge, Health Officials Say The New York Times ()? is a lung infection that can cause serious health complications, especially in patients with weakened immune systems. When a patient is