| taxonomy of trichinella and the epidemiology of infection in the southeast asia and australian regions. | seven species belonging to the trichinella genus (five with encapsulated larvae and two with non-encapsulated larvae in host muscles) and three additional genotypes have been described to date: t. spiralis (genotype t1), a cosmopolitan species with a high infectivity to swine and rats; t. nativa (t2), etiological agent of sylvatic trichinellosis in arctic and subarctic areas of the holarctic region, and its related genotype (trichinella t6), detected in alaska, idaho, montana, pennsylvania, wyom ... | 2001 | 12041576 |