Hospital Acquired Pneumonia (HAP) EMCrit Project Full article: The pathogenesis of ventilator associated pneumonia: old and new mechanisms Preventive bundle approach decreases the incidence of ventilator associated pneumonia in newborn infants Journal of Perinatology Partners in the Prevention of Ventilator Associated Pneumonia What is the definition of hospitalacquired pneumonia (HAP) and how does it differ from ventilatorassociated pneumonia (VAP)? 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