| [seroepidemiological survey of human toxoplasmosis in osorno, region x, chile, 1998]. | a serological survey was carried out in osorno x region, chile (40 degrees 21'-40 degrees 46' south lat, and 73 degrees 26' -72 degrees-46' west long.). an indirect hemagglutination test (ihat) for toxoplasmosis was performed to 305 persons--160 blood donors and 145 with sexually transmitted disease (std). the age of the surveyed persons (167 males and 138 females) varied between 10 and 72 years. ihat titers > 16 were considered as positive. the general prevalence was 20.3%--21.2% in blood donor ... | 1999 | 10488589 |