Worldwide distribution of trichinellosis

World map showing the distribution areas of Trichinella nativa (Tna), Trichinella britovi (Tb), Trichinella murrelli (Tm), Trichinella nelsoni (Tne), Trichinella genotype T6 (T6), Trichinella genotype T8 (T8), and Trichinella genotype T9 (T9). In some regions, the distribution areas of these encapsulated species and genotypes overlap between them.