Pneumonia

Some patients with coronavirus disease 2019 (COVID-19) have had pneumonia. Learn more about COVID-19.

Chest x-ray of an adult patient with pneumonia

Pneumonia is an infection of the lungs that can cause mild to severe illness in people of all ages. Vaccines can prevent some types of pneumonia. You can also help prevent pneumonia and other respiratory infections by following good hygiene practices. These practices include washing your hands regularly and disinfecting frequently touched surfaces.

Lower Your Risk of Pneumonia

You are more likely to get pneumonia if you smoke or have underlying medical conditions, like diabetes or heart disease. However, you can lower your chances by taking good care of your medical problems, and quitting smoking.

Page last reviewed: March 9, 2020