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Pneumonia: Symptoms and health tips

In pneumonia the pulmonary alveoli get infected. They become filled with white blood cells and fluid, not allowing as much oxygen through the membrane of the pulmonary alveoli into the blood.

The cause of pneumonia is often a bacterial infection. It can also be a serious complication of a viral infection, such as the flu or a cold. Sometimes fungi cause the infection. Very often, part of one lung is infected. If pneumonia is affecting both lungs, it is life-threatening.


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