Pneumonia is a Streptococcus pneumoniae (commonly known as "strep") bacterial infection, which is usually in your lungs. It can also be caused by the flu virus, the common cold virus, or a fungal ...

Pneumonia is a common lung infection that can make breathing difficult and, in some cases, become life-threatening. It happens when the air sacs in the lungs fill with fluid or pus. Each year, about ...

Pneumonia is an infection of the lung that causes the air sacs within the lungs to fill with fluid and pus. This can impact the body’s ability to take in oxygen, making it difficult to breathe. The ...

Generally, those at greatest risk for serious complications from pneumonia have a weaker immune system or a condition or lifestyle factor that affects their lungs. Pneumonia is an infection of the ...

Pneumonia is the inflammation of the tissue in the lungs and typically occurs due to an infection. In people ages 65 years and older, pneumonia may become serious due to the higher risk of developing ...

Pneumonia typically occurs when a person acquires a viral, bacterial, or fungal lung infection. A cough is a common symptom of pneumonia. However, a person can have the condition without a cough.

Pneumonia and lung cancer present similar symptoms like cough and chest pain. Pneumonia is a rapid infection, while lung cancer involves slow cell growth. Understanding these differences is vital for ...