Pneumonia is a common respiratory infection that inflames the air sacs in one or both lungs. These pockets may fill with mucus, causing coughing. Numerous bacteria, viruses, and fungi can cause pneumonia. Symptoms differ depending on the source of the infection and an individual's overall health. Common symptoms involve fever, feeling cold, fatigu

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, difficulty breathing, and sharp pains in the chest. Pneumonia can be caused by a variety of organisms, including bacteria, viruses, and