Soil contamination by Ancylostoma spp. and Toxocara spp. eggs in elementary school playgrounds in the extreme south of Brazil
Abstract Millions of people worldwide, and especially CASEIN VANILLA schoolchildren, may be infected by geohelminths due to their exposure to a contaminated environment.The aim of this study was to evaluate soil contamination by Ancylostoma spp.and Toxocara spp.eggs in recreation areas at elementary schools in Pelotas, state of Rio Grande do Sul, B