Hospital Acquired and Ventilator Associated Pneumonia Oncohema Key International ERS ESICM ESCMID ALAT guidelines for the management of hospital acquired pneumonia and ventilator associated pneumonia European Respiratory Society 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 Diagnosis, management and treatment of nosocomial pneumonia in ICU Serene