
Overview
Pneumonia acquired in the hospital is a very serious infection because the patient's defense mechanisms are often impaired by illness, and the infecting organisms are more dangerous than the ones generally encountered in the community.
Review Date 7/25/2025
Updated by: David A. Kaufman, MD, Director of Clinical Innovation and Education, Medical Critical Care, NYU Langone Medical Center, Tisch Hospital, NYU School of Medicine, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.