Human infection with Trichostrongylus capricola in Iran.

In addition to the six species of Trichostrongylus already reported from man, T.capricola has been found among the population of a nomadic tribe and the inhabitants of three villages in Isfahan Province in the central part of Iran. The prevalance of infection with this species among 40 nomads treated was 22.5% with an average of 5 worms per infection. Among 30 villagers who were treated, 4 (13.3%) passed this species with an average of 2.5 worms per infection. T.capricola was also found in all of 10 sheep and 10 goats examined in each of the two areas.