“…also pose differentiation difficulties. Distinguishing T. trichiura eggs from those of T. suis simply by morphological characteristics, for example, remains controversial, as some T. suis eggs morphologically resemble T. trichiura eggs (Schwartz, 1926;Martinez et al, 2003;Cutillas et al, 2007). Therefore, as was the case for Ascaris, we cannot rule out the possibility that some Trichuris eggs discovered in Yukjo Street might have originated from cattle roaming free there.…”