Updates in hospital acquired pneumonia management Hap Vap Updated IDSA ATS Guidelines on Management of Adults With HAP and VAP CAP (Community Acquired Pneumonia), HAP (Hospital Acquired Pneumonia), VAP (Ventilator Associated Pneumonia), and HCAP (Health Care Associated Pneumonia) are types of pneumonia differing by where sumaya Gholami Links To And Summary Of The 2019 Guidelines For Community Acquired Pneumonia With Additional Resources Tom Wade MD