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Home > Be Healthy > Health Library > 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.
Current as of: February 11, 2020
Author: Healthwise Staff
Medical Review:William H. Blahd Jr. MD, FACEP - Emergency Medicine & Adam Husney MD - Family Medicine & Elizabeth T. Russo MD - Internal Medicine
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