Pneumonia is an infection that inflames the air sacs in one or both lungs. The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, chills, and difficulty breathing
Pneumonia
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30-10-2017
Pneumonia is an infection in the lungs. Pneumonia can affect people of any age. And Pneumonia is the leading cause of death in children under 5 years old because their immune systems are not yet fully developed.
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