Risk factors include the use or ingestion of polluted sources of water. Swimming in any areas with polluted water is also a risk. Most of the cases reported are in rural areas.
Entamoeba moshkovskii
Iodamoeba buetschlii
Echinostoma revolutum
Cryptosporidium parvum
Cyclospora cayetanensis
Schistosoma haematobium
Trichinella britovi
Taenia solium