Relative proportions of common causes of ventilator associated Download Table Understanding Ventilator Associated Pneumonia (VAP) Mahesh Madhu Ragini posted on the topic LinkedIn Ventilator associated pneumonia: present understanding and ongoing debates Intensive Care Medicine Springer Nature Link From Common Infection to Critical Threat Pneumonia is a lung infection that can be: Community acquired (CAP) contracted outside healthcare settings Hospital acquired (HAP) develops during a hospital stay Ventilator associated (VAP)