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 ()? is a lung infection that can cause serious health complications, especially in patients with weakened immune systems. When a patient is PatEdu.com : Ventilator Associated Pneumonia VAP PROPHY VAP: Ceftriaxone to prevent early ventilator associated pneumonia The Bottom Line WHAT IS VENTILATOR ASSOCIATED PNEUMONIA (VAP)? Intensive Care Hotline Full article: The pathogenesis of ventilator associated pneumonia: old and new mechanisms