VENTILATOR ASSOCIATED PNEUMONIA Ventilator associated pneumonia (VAP) is pneumonia that develops 48 hours or longer after mechanical ventilation is given by means of an endotracheal tube or Dr. Aditya Rana Clinical challenge of diagnosing non ventilator hospital acquired pneumonia and identifying causative pathogens: a narrative review ScienceDirect Ventilator associated pneumonia: The central role of transcolonization ScienceDirect Quality improvement project to reduce the incidence of ventilator associated pneumonia Kauvery Hospital