Pneumonia is a common pulmonary infection that inflames the alveoli in one or both lungs. These areas may fill with pus, causing chest pain. Many bacteria, viruses, and fungi can cause pneumonia. Symptoms differ depending on the source of the infection and a patient's overall health. Common symptoms involve fever, shivering, fatigue, difficulty br

Pneumonia is a/happens to be/presents as an infection that inflames the air sacs in one or both lungs. These air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, chills, shortness of breath, and chest pain. Pneumonia can be caused by a variety of organisms, including bacteria, viruses, and fungi. In mos