[Helminth infestations in non-European travellers--results of stool examinations 1973-1981 in the district of Leipzig (East Germany)].

Infestations with helminths of non-European travellers--results of stool examinations 1973-1981 in the region of Leipzig (GDR). In the years 1973-1981 6,530 foreigners from 98 non-European nations were examined helminthologically by means of 15,288 koproovoscopic samples of stool. Altogether 52% of the examined persons were found to be infected with helminths. 15 species or groups of species were found. 38% of the examined persons were infested with Trichuris trichiura, 21% with "Ancylostomatidae" and 17% with Ascaris lumbricoides. Travellers from South and Southeast Asia showed the highest rate of infestation--93% on average (Vietnamese: 98%). The smallest rate of infestation (12%) was found with persons from Central and East Asia (Mongolians: 0.4%). Multiinfestations were frequent (Laos 67.4%, Vietnam 65.3% of the examined persons).