Hospital Acquired Pneumonia (HAP) EMCrit Project What is the definition of hospitalacquired pneumonia (HAP) and how does it differ from ventilatorassociated pneumonia (VAP)? Pathogenesis, Diagnosis and Therapeutic Strategies for Ventilator associated Pneumonia Journal of Pure and Applied Microbiology 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 There are recognized diagnostic criteria for a first ventilatorassociated pneumonia (VAP) episode, but not for recurrences. A panel of 36 European experts reached consensus on the classification and Samir JABER Preventive bundle approach decreases the incidence of ventilator associated pneumonia in newborn infants Journal of Perinatology