| prevalence of helminth ova in soil samples from public places in shiraz. | to determine the prevalence of helminth eggs in public places and children's playgrounds, 112 soil samples were collected in 26 sites in shiraz, southern islamic republic of iran, during september 2002-september 2003. toxocara cati ova were found in 7 (6.3%) samples, 2 had ascaris lumbricoides ova, 3 had larvae morphologically similar to strongyloides stercoralis. coccidia oocysts were also observed in 4 samples. no contamination was observed during the dry season. | 2006 | 17333794 |