Community-acquired pneumonia causes
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Chetan Lokhande, M.B.B.S [2]
Overview
Community-acquired pneumonia can be caused by viral, bacterial, and fungal organisms. Causative etiology varies with age, immune status, epidemiologic background, and comorbidity.
Causes
Common causes
Neonates
- Bacteria
- Viruses
Children
- Bacteria
- Viruses
Adults
- Typical Bacteria
- Streptococcus pneumoniae
- Hemophilus influenzae
- Escherichia coli
- Klebsiella pneumoniae
- Pseudomonas aeruginosa
- Atypical Bacteria
- Viruses
- Newborn infants, children, and adults are at risk for different spectrums of disease causing microorganisms.
- In addition, adults with chronic illnesses, who live in certain parts of the world, who reside in nursing homes, who have recently been treated with antibiotics, or who are alcoholics are at risk for unique infections.