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Signs and Symptoms
Symptoms of pneumonia vary in type and severity. In some cases, pneumonia produces mild symptoms and can go undetected or be mistaken for a severe cold or the flu (influenza). Elderly adults and other high-risk patients often show less obvious symptoms. Pneumonia can be life threatening and requires immediate medical care.

Pneumonia symptoms may appear suddenly or develop gradually over time. In general, symptoms depend on the age of the patient, the patient's overall hea...Read the full article