Adult Opisthorchis viverrini Flukes in Humans, Takeo, Cambodia
Figure. A) Adult Opisthorchis viverrini liver fluke (length 12.0 mm) isolated from a human after chemotherapy and purgation in Takeo Province, Cambodia, showing the characteristic morphology of the two 4–5-lobulated testes. B) Metacercaria of O. viverrini fluke (diameter 0.22 mm) detected in a freshwater fish (Puntioplites proctozysron). C) Young adult O. viverrini fluke (length 5.5 mm) isolated 6 weeks after experimental infection of a hamster with metacercariae from P. proctozysron fish. Original magnification levels ×8 (A), ×120 (B), ×9 (C).