<unk>  is a genus of trematodes (flukes), which can infect both humans and other animals. These intestinal flukes have a three-host life cycle with snails or aquatic organisms as intermediate hosts, and a variety of animals, including humans, as their definitive hosts.<unk>  infect the gastrointestinal tract of humans, and can cause a disease known as<unk> asis. The parasites are spread when humans or animals eat infected raw or undercooked food, such as bivalve molluscs or fish.
Echinostoma
Anorchia
Trichostrongylus
Elizabethkingia
Camptocormia
Trypanosoma
Onchocerca volvulus
Schistosoma mansoni