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1. Seroprevalence of Toxoplasma gondii assayed using Rapid Diagnostic Tests among Residents in Three Counties Adjacent to The Demilitarized Zone, Korea

Author

Jihoo Lee, Dongjae Kim, Jeehi Jung, Chom-Kyu Chong, Ho-Woo Nam, Seo Hye Park, Jin-Young Lee, Tong-Soo Kim, Sung-Jong Hong, Yoon Kyung Chang, Seong Kyu Ahn, and Hye-Jin Ahn

Subjects
Male, Veterinary medicine, IgM, DMZ, IgG, Protozoan Proteins, Antibodies, Protozoan, Antigens, Protozoan, Biology, Age and sex, rapid diagnostic test, Seroepidemiologic Studies, parasitic diseases, Republic of Korea, medicine, Prevalence, Seroprevalence, Humans, Serologic Tests, Aged, Aged, 80 and over, Rapid diagnostic test, Toxoplasma gondii, Diagnostic test, sroprevalence, Odds ratio, Middle Aged, medicine.disease, biology.organism_classification, Toxoplasmosis, Infectious Diseases, Immunoglobulin M, Immunoglobulin G, Parasitology, Female, Original Article, Toxoplasma, Biomarkers
Abstract

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.

Published
2020

2. Seroprevalence of Toxoplasma gondii assayed using Rapid Diagnostic Tests among Residents in Three Counties Adjacent to The Demilitarized Zone, Korea.

Author

Jeehi Jung, Jinyoung Lee, Yoon Kyung Chang, Seong Kyu Ahn, Seo Hye Park, Sung-Jong Hong, Jihoo Lee, Chom-Kyu Chong, Hye-Jin Ahn, Ho-Woo Nam, Tong-Soo Kim, and Dongjae Kim

Subjects
SEROPREVALENCE, DIAGNOSIS methods, CELL surface antigens, TOXOPLASMA gondii, LOGISTIC regression analysis, ODDS ratio, VIRAL antibodies
Abstract

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 Ganghwagun, 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. [ABSTRACT FROM AUTHOR]

Published
2021
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