Antimicrobial Resistance in Ventilator Associated Pneumonia: Predictive Microbiology and Evidence Based Therapy Infectious Diseases and Therapy Springer Nature Link Full article: The pathogenesis of ventilator associated pneumonia: old and new mechanisms Ventilator Associated Pneumonia (VAP): An Overview (2026) The 2009 US CDC NHSN clinical surveillance definition for Download Table VAP Bundle Ventilator Associated Pneumonia Ventilator Associated Pneumonia ( VAP) is a lung infection that occurs in patients who are on mechanical ventilation for more than 48 hours. A VAP bundle is a set of