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viral pneumonia

Sunday 29 March 2020


Definition : Viral pneumonia is a pneumonia caused by a virus.

Viruses are one of the two major causes of pneumonia, the other being bacteria; less common causes are fungi and parasites. Viruses are the most common cause of pneumonia in children, while in adults bacteria are a more common cause.


- influenza pneumonia and parainfluenza pneumonia
- adenovirus pneumonia
- chickenpox pneumonia
- herpes zoster pneumonia
- measles pneumonia
- rubella pneumonia
- coronavirus pneumonia and coronavirus disease (COVID)

  • SARS coronavirus pneumonia
  • MERS coronavirus pneumonia
  • COVID-19 coronavirus pneumonia

- hantavirus pneumonia


- respiratory mucosal hyperemia
- pleural effusion
- pulmonary swelling
- variegated pulmonary pleura and serosa
- focal hemorrhage and edema of the cut surface of the lung
- enlarged mesenteric lymph nodes


- pulmonary alveoli edema
- pulmonary interstitial edema
- pulmonary hemorrhage
- alveolar epithelial shedding
- serous exudation (or) fibrinous exudation in the alveoli
- formation of viral inclusions
- formation of transparent membranes
- infiltration of inflammatory cells that mainly consisted of macrophages and lymphocytes in interstitial substance and alveoli.

Viral pulmonary infections often affected the heart and gastrointestinal tract.

Open references

- Retrospective Analysis of 61 Cases of Children Died of Viral Pneumonia. Chen XB, Du SH, Lu JC, Tan XH, Li DR, Yue X, Wang Q, Wang HJ, Qiao DF. Fa Yi Xue Za Zhi. 2020 Mar 25;36(2). doi : 10.12116/j.issn.1004-5619.2020.02.002 PMID: 32212512 Free