CDC – Trichinellosis – Epidemiology & Risk Factors

Worldwide, an estimated 10,000 cases of trichinellosis occur every year. Several different species of Trichinella can cause human disease; the most common species is Trichinella spiralis, which has a global distribution and is the species most commonly found in pigs.Other Trichinella species are less commonly reported as the cause of human disease and may be found in different parts of the …

https://www.cdc.gov/parasites/trichinellosis/epi.html