Risk Factors, Pathogens, and Outcomes of Ventilator Associated Pneumonia in Non Cardiac Surgical Patients: A Retrospective Analysis Individualized short antibiotic course non inferior to usual course in VAP JCI Machine learning links unresolving secondary pneumonia to mortality in patients with severe pneumonia, including COVID 19 Trends and Factors Associated With Ventilator Associated Pneumonia: A National Perspective Cureus Pathogenesis, Diagnosis and Therapeutic Strategies for Ventilator associated Pneumonia Journal of Pure and Applied Microbiology Hospital Acquired and Ventilator Associated Pneumonia Oncohema Key