Question

Explain pneumonia




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Answer 1

Infection that inflames air sacs in one or both lungs, which may fill with fluid.

Infection that inflames air sacs in one or both lungs, which may fill with fluid.With pneumonia, the air sacs may fill with fluid or pus. The infection can be life-threatening to anyone, but particularly to infants, children and people over 65.

Answer 2

Answer:

Pneumonia is an inflammatory condition of the lung primarily affecting the small air sacs known as alveoli.[3][14] Symptoms typically include some combination of productive or dry cough, chest pain, fever and difficulty breathing.[1] The severity of the condition is variable.[1] Pneumonia is usually caused by infection with viruses or bacteria, and less commonly by other microorganisms.[a] Identifying the responsible pathogen can be difficult. Diagnosis is often based on symptoms and physical examination.[8] Chest X-rays, blood tests, and culture of the sputum may help confirm the diagnosis.[8] The disease may be classified by where it was acquired, such as community- or hospital-acquired or healthcare-associated pneumonia.[17]