Pneumonia Study Guide: CAP, HAP, VAP (1 page Resource) Etsy Israel Pneumonia: Infection of the lung parenchyma resulting in inflammation and consolidation of alveolar spaces. Classification Community Acquired Pneumonia (CAP) Hospital Acquired Pneumonia (HAP) (48 hours after admission) Ventilator Cap Vap Hap Practices to prevent non ventilator hospital acquired pneumonia: a narrative review Differences between Nosocomial or Hospital and Community Acquired Pneumonia