FreeMD® Influenza Underlying Cause

Influenza

congestion in children

pain and fever adults

pain and fever children

Underlying Cause

Influenza Underlying Cause

Influenza is caused by a virus that infects the lungs, throat and nasal passages.

The three types of influenza include:

Influenza A:

Most common type
Causes severe symptoms

Influenza B:

Second most common type
Causes less serious symptoms

Influenza C:

Uncommon cause
Causes mild symptoms

Continue to Influenza Transmission

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Last Updated: Sep 9, 2008 References

Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD

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