Viral pneumonia

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Lungs

Respiratory system

Viral pneumonia is an inflammation (irritation and swelling) of the lungs caused by infection with a virus. See also respiratory syncytial virus (RSV) and influenza.

Pneumonia - viral

Pneumonia is an infection of the lung that affects 1 out of 100 people annually. Viral pneumonia is caused by one of several viruses, including influenza, parainfluenza, adenovirus, rhinovirus, herpes simplex virus, respiratory syncytial virus, hantavirus, and cytomegalovirus.

Most cases of viral pneumonia are mild and get better without treatment, but some cases are more serious and require hospitalization. People at risk for more serious viral pneumonia typically have impaired immune systems such as people with HIV, transplant patients, young children (especially those with heart defects), the elderly, and people taking medications to suppress their immune systems in the treatment of autoimmune disorders.

Review Date: 07/28/2006
Reviewed By: Charlotte Grayson, MD, Private Practice specializing in Internal Medicine and Infectious Disease, Smyrna, GA. Review provided by VeriMed Healthcare Network.