| seroepidemiological aspects of human strongyloides stercoralis infections in chile. | to determine the frequency of strongyloides stercoralis antibodies by means of the enzyme linked immunosorbent assay (elisa) in chile, in 2001-2003, 675 blood samples of patients of two psychiatric hospitals and 172 of healthy individuals (doctors, nurses and paramedicals) of these institutions, and 1,200 serum samples of blood donors of northern region (arica and antofagasta), central region (valparaiso and santiago) and southern region (la union) were collected. elisa showed positivity of 12.1 ... | 2007 | 17823755 |