Parasitic contamination of the soil and sand of playgrounds according
Authors:   FSBEI HE Astrakhan State Medical University of the Ministry of Health of Russia, Astrakhan, Russia, Kiseleva Aleksandra Alekseevna Kiseleva Aleksandra Alekseevna , Isaeva Liana Aslanbekovna ,   FSBEI HE Astrakhan State Medical University of the Ministry of Health of Russia, Astrakhan, Russia, Irdeeva Viktoriya Aleksandrovna ,   FSBEI HE Astrakhan State Medical University of the Ministry of Health of Russia, Arakelyan Rudolf Sergeevich ,   FSBEI HE Astrakhan State Medical University of the Ministry of Health of Russia, Astrakhan, Russia, Gundareva Anna Nikolaevna ,   FSBEI HE Astrakhan State Technical University of the Ministry of Health of Russia, Astrakhan, Russia, Karapetyan Diana Armenovna ,   FSBEI HE Astrakhan State Medical University of the Ministry of Health of Russia, Astrakhan, Russia, Kalchuk Anastasiya Valerievna ,   FSBEI HE Astrakhan State Medical University of the Ministry of Health of Russia, Astrakhan, Russia, Orngalieva Karina Maratovna ,   FSBEI HE Astrakhan State Medical University of the Ministry of Health of Russia, Astrakhan, Russia, Kovalenko Anna Vladimirovna ,   FSBEI HE Astrakhan State Medical University of the Ministry of Health of Russia, Astrakhan, Russia
Published: February 2022

The sanitary-parasitological state of the soil of Astrakhan is studied and analyzed. During the analyzed period, 817 samples of soil and sand were examined, taken from the territories of children’s playgrounds (children’s sandboxes). Unsatisfactory findings amounted to 16.0 % (131 samples), including 11.1 % (60 samples) of soil and sand were collected and examined fromthe territory of the Kirovsky district, of which 6.7 % (4 samples) were unsatisfactory. Motile larvae of Strongyloides stercoralis were found in these samples — 75 % (3 samples) and 25 % (1 sample) were Toxocara canis eggs. From the territory of the Leninsky district, 43.8 % (246 samples) of soil and sand were selected and examined, of which 16.3 % (40 samples) were identified with a positive result. In these samples, Strongyloides stercoralis larvae were found — 62.5 % (25 samples), Toxocara canis eggs (25 pcs / kg) — 5.0 % (2 samples) and fertilized Askaris lumbricoides eggs — 32.5 % (13 samples). For the period from 2017 to 2021, 29.3 % (158 samples) of soil and sand were taken from the territory of the Sovetsky district, ofwhich 31.6 % (50 samples)were unsatisfactory, including Strongyloides stercoralis larvae — 78.0 % (39 samples), Toxocara canis eggs (10 pcs/kg) — 20.0 % (10 samples), in one case — 2 % (1 sample) mobile Strongyloides stercoralis larvae and fertilized eggs were found in the sand Askaris lumbricoides. And from the territory of the Trusovsky district, 13.9 % (75 samples) were selected and further studied, of which 2.7 % (2 samples) showed mobile larvae of Strongyloides stercoralis. Thus,most often the soil and sand of children’s yard areas were contaminated with mobile strongylid larvae, which could be caused by contamination of these objects with the feces of infected animals. The most unfavorable districts of Astrakhan were the Sovetsky and Leninsky districts, the contamination of which with eggs and larvae of helminths was 31.6 % and 16.3 %, respectively.