3 Main Causes of pneumonia Bacteria,Viruse, etc

Before we know the causes of pneumonia, we need to know what pneumonia is? Pneumonia is an infection that inflames the air sacs in one lung or both lungs. The air sacs may fill with fluid or phlegm, causing. What is the main cause of pneumonia? It is a lung illness show by inflammation of … Continue reading 3 Main Causes of pneumonia Bacteria,Viruse, etc