What is pneumonia? What Causes pneumonia?What are the sympthoms of pneumonia?

Pneumonia is an infection of the lungs that causes bacteria, viruses and fungi. Pneumonia is usually developed to a person of less than 1 year old and older than 65 years old. According to research, there are more than 3 million people have pneumonia and only half on them were treated and admitted in the hospital and 5 percent of them will die of pneumonia.

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