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A pathogen is a living organism that causes disease. Pathogens include bacteria, viruses, fungi, and protozoa.
Current as of: October 31, 2022
Author: Healthwise Staff
Medical Review:E. Gregory Thompson MD - Internal Medicine & Brian D. O'Brien MD - Internal Medicine & Adam Husney MD - Family Medicine & Christine Hahn MD - Epidemiology & Elizabeth T. Russo MD - Internal Medicine
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