Pneumonia classification

Pneumonia Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Alejandro Lemor, M.D. [2]

Classification

Pneumonia can be classified according to the source of infection, either in the community or in a healthcare setting. The following are the 4 categories described by the Infectious Diseases Society of America and American Thoracic Society:

• Community-acquired pneumonia

• Healthcare-associated pneumonia

• Ventilator-associated pneumonia

• Hospital-acquired pneumonia