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Pork tapeworm life cycle. Diagram showing the life cycle of the pork tapeworm (Taenia solium). Humans can become infected by eating undercooked pork or ingesting contaminated food or water. The adult tapeworm lives in the intestine, gaining all its nutrition form the host. The eggs can pass through the intestine walls from where they migrate to the brain and muscles. In these tissues they form cysts, which can persist for a number of years.
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