PDF] The Microbiology of Ventilator Associated Pneumonia Semantic Scholar 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 ()? is a lung infection that can cause serious health complications, especially in patients with weakened immune systems. When a patient is Guideline for the diagnosis, prevention and treatment of paediatric ventilator associated pneumonia Clinical challenge of diagnosing non ventilator hospital acquired pneumonia and identifying causative pathogens: a narrative review ScienceDirect