Opisthorchiasis
![Symptoms of opisthorchiasis/clonorchiasis.](/Images/godic/202501/31/Symptoms_of_Raw_fish_infection.svg0529.png")
![Incidence of cholangiocarcinoma and O. viverrini in Thailand from 1990–2001.](/Images/godic/202501/31/Incidence_of_CCA_and_O._viverrini_in_Thailand_from_1990–2001-french.svg0529.png")
Opisthorchiasis is a parasitic disease caused by species in the genus Opisthorchis (specifically, Opisthorchis viverrini and Opisthorchis felineus).
Medical care and loss of wages caused by Opisthorchis viverrini in Laos and in Thailand costs about $120 million annually or $120 million per year can cost Northeast Thailand only.