Association between contamination of public squares and seropositivity for Toxocara spp. in children

摘要: A concomitant study was carried out, of the association positive serology for Toxocara spp. in 90 children who played public squares used leisure, with frequency which each child these areas, and presence eggs sand or grass locations. The their peridomiciles school playgrounds, as well feces dogs were also analyzed Toxocara. Serum samples tested IgG antibodies to canis excreted-secreted larval antigens by ELISA, blood eosinophilia. water-sedimentation technique evaluate parasite turfs, that frequented 16/90 (17.8%) seropositive There a between seropositivity six seven times week, load above 1.1 eggs/g sand, contamination peridomicile, even at less than 1.0 egg/g sand. Eosinophilia, habit geophagy, age from one four years, parasitized pet positively correlated children. Eggs found 15/15 (100%) squares, 17/90 (18.9%) peridomiciles, 3/13 (23.1%) schools, 12/41 (29.3%) living investigated.