Merck Manual

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Introduction to Trematodes (Flukes)

By

Chelsea Marie

, PhD, University of Virginia;


William A. Petri, Jr

, MD, PhD, University of Virginia School of Medicine

Last full review/revision Aug 2021
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Flukes are parasitic flatworms that infect the blood vessels, gastrointestinal tract, lungs, or liver. They are often categorized according to the principle organ system they invade:

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