Pneumonia is a common respiratory infection that inflames the air sacs in one or both lungs. These areas may fill with fluid, causing difficulty breathing. Many bacteria, viruses, and fungi can cause pneumonia. Symptoms differ depending on the source of the Obtener más información infection and the

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 sharp pains in the chest. Pneumonia can be caused by a varie