[Seroepidemiological investigation of various tissue helminthiasis, by means of indirect hemagglutination test, in Lonquimay County, Chile].

In order to have a present perspective on the prevalence on the epidemiology of some tissue helminthiasis in Lonquimay County, southern Chile, in 1993 a seroepidemiological survey, by means of an indirect hemagglutination test (IHAT) for hydatidosis, cysticercosis and trichinosis was undertaken. In 11 (1.2%), 10 (1.