Trichinellosis (trichinosis) is caused by nematodes (roundworms) of the genus Trichinella. In addition to the classical agent T. spiralis (found worldwide in many .
Adult worms and encysted larvae develop within a single vertebrate host, and T. pseudospiralis and T. papuae, which do not encyst) of Trichinella species The .
Trichinella spiralis is an viviparous nematode parasite, occurring in rodents, pigs, bears, To begin its life cycle, Trichinella spiralis adults will invade the intestinal wall of a pig, and produce larvae that invade the pig's muscles. The larval forms.
Trichinella spiralis is a zoonotic infection acquired by ingestion of . Trichinella spiralis requires only one host in its life cycle, with larval and adult stages.