Volunteer for NIAID-funded clinical studies related to trichinosis on ClinicalTrials.gov.
Trichinosis is caused by the larvae (immature form) of a highly versatile parasitic roundworm, Trichinella spiralis. This parasite can infect virtually every meat-eating mammal. The parasite is especially common in rats and in swine that feed on uncooked garbage.
Unlike some of the other parasitic roundworm diseases, trichinosis is not an intestinal infection in the usual sense. It is the movement of the larvae from the intestines and throughout the body and their encystment (becoming enclosed in a capsule) in muscle tissue that create serious problems.
Typically, the life cycle of the parasite follows these steps:
Last Updated March 06, 2009