Cause
Common causes of viral pneumonia are:
- Influenza virus A and B
- Respiratory syncytial virus (RSV)
- Human parainfluenza viruses (in children)
Rarer viruses that commonly result in pneumonia include:
- Adenoviruses (in military recruits)
- Metapneumovirus
- Severe acute respiratory syndrome virus (SARS coronavirus)
Viruses that primarily cause other diseases, but sometimes cause pneumonia include:
- Herpes simplex virus (HSV), mainly in newborns
- Varicella-zoster virus (VZV)
- Measles virus
- Rubella virus
- Cytomegalovirus (CMV), mainly in people with immune system problems
The most commonly identified agents in children are respiratory syncytial virus, rhinovirus, human metapneumovirus, human bocavirus, and parainfluenza viruses.
Read more about this topic: Viral Pneumonia