Ventilator associated pneumonia: pathobiological heterogeneity and diagnostic challenges Nature Communications 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 Application of ventilator associated events (VAE) in ventilator associated pneumonia (VAP) notified in Brazil (IMPACTO MR PAV): a protocol for a cohort study BMJ Open PDF] The Clinical Diagnosis of Ventilator Associated Pneumonia Semantic Scholar