Ventilator associated pneumonia: pathobiological heterogeneity and diagnostic challenges Nature Communications VAP prevention #MPICU Special Feature: Prevention of Ventilator Associated Clinician.com Preventing ventilator associated pneumonia non pharmacologically Intensive Care Medicine Springer Nature Link 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