Viral pneumonia
Pneumonia is inflamed or swollen lung tissue due to infection with a germ.
Viral pneumonia is caused by a virus.
Viral pneumonia is more likely to occur in young children and older adults. This is because their bodies have a harder time fighting off the virus than people with a strong immune system.
Viral pneumonia is most often caused by one of several viruses:
- Respiratory syncytial virus (RSV)
- Influenza
- Parainfluenza
- Adenovirus (less common)
- Measles
Serious viral pneumonia is more likely to happen in those with a weakened immune system, such as:
- Babies who are born too early
- Children with heart and lung problems
- People who have HIV/AIDS
- People receiving chemotherapy for cancer, or other medicines that weaken the immune system
- People who have had an organ transplant
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