Pneumonia is a common disease that can have more than 30 different causes and symptoms. It is a highly contagious lung infection caused by bacteria, a virus or fungi, Understanding pneumonia is very important because the treatment depends on it. It is a very serious health condition that should be brought to the attention of a medical professional. People think there is only one kind of pneumonia but there are different kinds of pneumonia and each has a different causes. Pneumonia is a serious microbial infections that affects the lungs of the human respiratory system. It results in the swelling of the tissue in one or both lungs. It is caused by bacteria, viruses, fungi, and other disease causing pathogens.
