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KMID : 0425120210590010009
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Parasites, Hosts and Diseases
2021 Volume.59 No. 1 p.9 ~ p.14
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Seroprevalence of Toxoplasma gondii assayed using Rapid Diagnostic Tests among Residents in Three Counties Adjacent to The Demilitarized Zone, Korea
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Jung Jee-Hi
Lee Jin-Young
Chang Yoon-Kyung
Ahn Seong-Kyu
Park Seo-Hye
Hong Sung-Jong
Lee Ji-Hoo
Chong Chom-Kyu
Ahn Hye-Jin
Nam Ho-Woo
Kim Tong-Soo
Kim Dong-Jae
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Abstract
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Toxoplasma gondii seroprevalence have been rapidly increasing in some parts of Korea. We analyzed prevalence of anti-Toxoplasma gondii antibodies, using a rapid diagnostic test (RDT), in the sera of 552 residents in Ganghwa-gun, 661 ones in Cheorwon-gun, and 305 ones in Goseong-gun, Korea in 2019. IgG/IgM RDT mounted with recombinant fragment of major surface antigen (SAG1), glutathione-S-transferase-linker-SAG1A, were applied to the sera. IgG seroprevalence was 28.1% in Ganghwa-gun, 19.5% in Cheorwon-gun and 35.7% in Goseong-gun. Odds ratios comparing Cheorwon vs Ganghwa was 0.63 (P=0.001) and Goesong versus Ganghwa was 1.47 (P=0.01) adjusting age and sex. Goseong had highest seroprevalence among the 3 counties both in crude rates and logistic regression. Although Cheorwon and Goseong are adjacent to the demilitarized zone (DMZ) in Korea, seroprevalence rate was much higher in Goseong. Further investigation on other DMZ-closed areas is necessary whether they have high prevalence rates compared to the other areas. T. gondii prevalence in Korea is still persists; proper health policy should be established.
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KEYWORD
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Toxoplasmosis, sroprevalence, IgG, IgM, rapid diagnostic test
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