Causes of Trichinosis

Cause of Trichinosis: Cases are less commonly associated with pork products and more often associated with eating raw or undercooked wild game meats. ¹

Cause details for Trichinosis: Typically, the life cycle of the parasite begins when a person or an animal eats contaminated meat containing larvae. Digestive juices from the stomach dissolve the capsule-like cyst and release the parasites. The larvae then penetrate into the intestine where they mature and mate. Female worms then pass larvae into the blood stream where they make their way through the capillaries (tiny blood vessels) into the muscle fibers. Once in the muscle fibers, they encyst again and begin a sometimes long life.²

Related information for causes of Trichinosis: Further relevant information on causes of Trichinosis may be found in the risk factors for Trichinosis and underlying causes of Trichinosis.

Footnotes:
1. excerpt from Trichinosis: DPD
2. excerpt from Parasitic Roundworm Diseases, NIAID Fact Sheet: NIAID

Last revision: June 13, 2003

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