Treatment algorithm for ventilator associated pneumonia (VAP). CDC, Download Scientific Diagram Pneumonia Symptoms, Causes, Treatment, Prevention Ventilator associated pneumonia biomarker evaluation (VIBE) study: protocol for a prospective, observational, case cohort study BMJ Open Full article: The pathogenesis of ventilator associated pneumonia: old and new mechanisms 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