Pneumonia, a serious lung infection, can influence people of all stages. It occurs when the air sacs in one or both chest cavities become swollen and packed with pus. This state causes it challenging to ventilate and get adequate gas into the body. There are several types of pneumonia, spanning f

Pneumonia is a common pulmonary disease that affects the tiny pockets in your pulmonary system. It develops when these air sacs swell up, making it challenging to take in oxygen. Several types of bacteria, germs and fungi can cause pneumonia. Symptoms typically include a hacking cough, fe