What is pneumonia?Pneumoniais an infection of one or both of the lungs caused by bacteria, viruses, or fungi. It's a serious infection in which the air sacs fill with pus and other liquid. Lobarpneumoniaaffects one or more sections (lobes) of the lungs. Bronchialpneumoniaaffects patches throughout both lungs. It's also called bronchopneumonia. Oct 15, 2025 ·Pneumoniais an infection in one or both of the lungs. Many factors affect how serious a case ofpneumoniais. It is a leading cause of hospitalization in both children and adults. Mar 24, 2022 ·Pneumoniais a lung infection that causes your air sacs to fill up with fluid or pus. Learn about the causes, risk factors, signs and symptoms, and treatment forpneumonia. Nov 1, 2024 ·What is pneumonia?Pneumoniais an infection of the lungs. It causes the air sacs (alveoli) of the lungs to get inflamed (irritated and swollen). They may fill up with fluid or pus. This causes a variety of symptoms, which range from mild to severe.Pneumoniais usually caused by bacteria or a virus. It […]
