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Seroprevalence of Larval Toxocarosis in the Czech Republic

K. Skulinova, J. Novak, M. Kasny, L. Kolarova,

. 2020 ; 65 (1) : 68-76. [pub] 20191004

Language English Country Switzerland

Document type Journal Article

Persistent link   https://www.medvik.cz/link/bmc20028415

Grant support
902217 Charles University Grant Agency
Progres Q25 Charles University
SVV 260369 Charles University

BACKGROUND: Larval toxocarosis (LT), a zoonotic disease transmitted by dogs, cats, and other carnivores, is caused by roundworms of the genus Toxocara. Humans become infected by ingesting embryonated eggs of this parasite. In this study, we present data on the seroprevalence of LT in the Czech Republic collected by the National Reference Laboratory for Tissue Helminthoses in 2012-2016. METHODS: Using enzyme-linked immunosorbent assay, a total of 4428 adults and children with or without clinical symptoms were examined for the presence of IgG antibodies against Toxocara canis excretory-secretory antigens. RESULTS: Of all the persons examined, specific Toxocara antibodies were detected in 160 (3.6%) individuals. There were, however, significant differences between various regions, with seropositivity rates ranging from 1.4 to 7.5%. CONCLUSION: In comparison to studies from 1998 and 2004, our results suggest a decrease in overall Toxocara seroprevalence in the Czech population, whereby the rates are similar to or even lower than rates in some other Central European countries.

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$a BACKGROUND: Larval toxocarosis (LT), a zoonotic disease transmitted by dogs, cats, and other carnivores, is caused by roundworms of the genus Toxocara. Humans become infected by ingesting embryonated eggs of this parasite. In this study, we present data on the seroprevalence of LT in the Czech Republic collected by the National Reference Laboratory for Tissue Helminthoses in 2012-2016. METHODS: Using enzyme-linked immunosorbent assay, a total of 4428 adults and children with or without clinical symptoms were examined for the presence of IgG antibodies against Toxocara canis excretory-secretory antigens. RESULTS: Of all the persons examined, specific Toxocara antibodies were detected in 160 (3.6%) individuals. There were, however, significant differences between various regions, with seropositivity rates ranging from 1.4 to 7.5%. CONCLUSION: In comparison to studies from 1998 and 2004, our results suggest a decrease in overall Toxocara seroprevalence in the Czech population, whereby the rates are similar to or even lower than rates in some other Central European countries.
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$a Novak, Jan $u Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic.
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$a Kasny, Martin $u Department of Parasitology, Faculty of Science, Charles University, Prague, Czech Republic. Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic.
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$a Kolarova, Libuse $u Institute of Immunology and Microbiology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic. parazit@vfn.cz. National Reference Laboratory for Tissue Helminthoses, General Faculty Hospital in Prague and the First Faculty of Medicine, Charles University, Studničkova 7, 128 00, Prague, Czech Republic. parazit@vfn.cz.
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