Ventilator Associated Pneumonia (VAP): Prevention Matters VAP is a serious lung infection that can develop in patients on mechanical ventilation for more than 48 hours. Early prevention and proper care can significantly Ventilator associated pneumoniaUnderstanding epidemiology and pathogenesis to guide prevention and empiric therapy ScienceDirect The Vexing Problem of Ventilator Associated Pneumonia: Observations on Pathophysiology, Public Policy, and Clinical Science Richard H Kallet, 2015 Preventing Ventilator Associated Pneumonia in hospitals GOI Guidelines