()? is a lung infection that can cause serious health complications, especially in patients with weakened immune systems. When a patient is Unravelling the complexity of ventilator associated pneumonia: a systematic methodological literature review of diagnostic criteria and definitions used in clinical research Critical Care Springer Nature Link Preventing Ventilator Associated Pneumonia in hospitals GOI Guidelines Today's Topic: Ventilator Associated Pneumonia (VAP) VAP is a type of pneumonia that develops 48 hours or more after intubation and mechanical ventilation. Why It Happens: Bacteria enter the