Pneumonia Stages, Their Symptoms, and Condition Management - Healthline

Pneumonia can be serious and even fatal. Lobar pneumonia is the most serious type. Learn about its four stages here.

Pneumonia is a lung infection thats caused by bacteria, viruses, or fungi. It ranges from mild to severe. Some cases of pneumonia occur as a complication of another infection, like influenza or COVID… [+8943 chars]

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