Pneumoniais an infection of the lungs by a virus, bacterium, or fungus.

This article covers the causes, types, symptoms, and treatment of atypical pneumonia.

Symptoms typically include:

Signs usually develop five to 14 days after infection and death is extremely rare.

A person in bed with a comforter around them while holding a mug

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Signs will typically show two to 10 days after exposure to the bacteria.

It may take a month, or more, for your symptoms of atypical pneumonia to go completely away.

The severity of atypical pneumonia can range from mild to life-threatening.

Summary

Atypical pneumonia is a common bacterial infection of the lungs.

It is called atypical due to differences in its detection and clinical presentation compared to other forms of pneumonia.

A Word From Verywell

Atypical pneumonia is quite common, but it rarely leads to hospitalization.

In fact, most people enjoy a full recovery in a few weeks.

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American Lung Association.What is walking pneumonia?