Early molecular markers of ventilator associated pneumonia in bronchoalveolar lavage in preterm infants Pediatric Research Ventilator associated pneumonia (VAP) is a type of pneumonia that develops at least 48 hours after a patient was intubated and placed on the mechanical ventilator. It's a preventable lung infection that can Ventilator associated pneumonia in critically ill patients with COVID 19 Critical Care Springer Nature Link Definitions of Pneumonia Categories Pneumonia Download Table VAP: A Preventable Disease ppt download Download handout (.pdf*) Sage Products Inc.