Pneumonia Symptoms, Causes, Treatment, Prevention Ventilator Associated Pneumonia (VAP) VAP is a subtype of hospital acquired pneumonia or Nosocomial pneumonia which occur in people who are receiving mechanical ventilation. It develops more than 48 hours after tracheal Oral Wellness Measures Show Mitigation in Hospital Acquired Pneumonia Infection Control Today Ventilator Associated Pneumonia (VAP): Prevention Matter Small preventive measures can make a BIG difference in critical care. Prevent infection. Protect lungs. Save lives. #VAP #MechanicalVentilation #RespiratoryTherapy #CriticalCare