Pneumonia is an infection in one or both of the lungs. It’s most often caused by bacteria — specifically Streptococcus pneumoniae — but it can also be caused by a viral or fungal infection. Pneumonia ...

Pneumonia is an inflammation of one or both lungs, typically due to a bacterial, viral, or fungal infection. With pneumonia, the tiny air sacs inside the lungs fill with fluid or pus, leading to ...

Pneumonia is a type of lung infection. It can infect one or both of the lungs. It happens when air sacs in the lungs fill up with bacteria or pus. Different types of bacteria can cause pneumonia. The ...

You can get pneumonia through bacterial, fungal, or viral infections. You can also get aspiration pneumonia, which is when you inhale food, or hospital-acquired pneumonia. To prevent pneumonia, get ...

Pneumonia coughs are usually deeper and louder than regular coughs. A pneumonia cough often brings up mucus, which can be ...