Pneumonia-Pneumonia was not known in the medical world, the term is only familiar to the general public. The term pneumonia in medical language is called pneumonia, which is an infection of one or both lungs which is usually caused by bacteria, viruses, or fungi. Before the discovery of antibiotics, one third of all people who developed pneumonia subsequently died from infection. Currently, Although most infected people recover wet lung disease, approximately 5% of them have a poor prognosis that can lead to death. Pneumonia is the sixth leading cause of death in the United States.
Some cases of pneumonia occurs by inhaling tiny droplets containing the organism that can cause pneumonia. These droplets get into the air when someone infected with the bacteria through coughing or sneezing. In other cases, is caused when bacteria or viruses that normally present in the mouth, throat, or nose inadvertently enter the lung. Normally, the body's reflex responses and their immune system will prevent the aspirated organisms from organisms causing pneumonia
After the organisms enter the lungs, they usually settle in the air sacs and passages of the lungs where they are growing rapidly in number. In this area of lung then becomes filled with fluid and pus (inflammatory cells of the body) as the body attempts to fight the infection.
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