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Secondary infection

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Secondary infection

A secondary infection is a bacterial or viral illness that develops following a first illness. The second infection may develop because a person's immune system is stressed or weakened.

The secondary infection may prolong the first infection or make it more severe.

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This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.