Excavations at two sites dating from 2000 BC-1900 AD in southeastern areas of the Republic of Korea, revealed the remains of several structures. Examination of the contents suspected privies revealed the presence of eggs from 5 kinds of parasite: Ascaris
, and two species of unknown trematodes. Clonorchis sinensis
eggs were found in a soil dating from around AD 668-935. This is the first record of C. sinensis
eggs in archaeological materials in the Republic of Korea.