Learn about ventilator associated pneumonia (VAP) Ventilator Associated Pneumonia (VAP): Prevention Matters VAP is a serious lung infection that can develop in patients on mechanical ventilation for more than 48 hours. Early prevention and proper care can significantly 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 British Journal of Nursing Does oral care with chlorhexidine reduce ventilator associated pneumonia in mechanically ventilated adults? British Journal of Nursing Full article: The pathogenesis of ventilator associated pneumonia: old and new mechanisms