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      Seroprevalence of Toxoplasmosis in the Residents of Cheorwon-gun, Gangwon-do, Korea

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          Abstract

          The seroepidemiological status of toxoplasmosis was surveyed among the residents of Cheorwon-gun, Gangwon-do by means of ELISA using a crude extract antigen of Toxoplasma gondii. The sera of 1,661 adult residents (866 males and 795 females) were collected and checked for IgG antibody titers, which showed 17.0% positive rate (282 sera). The positive rate was significantly different between the sex; 20.6% for males and 13.1% for females ( P<0.05). The positive rates were higher in fifties of males (28.7%) and forties of females (20.0%). This positive rate of toxoplasmosis in Cheorwon-gun residents is regarded as the highest among the surveys of different geographical regions of Korea. This high positive rate may due in part to peculiar geographical locality of the surveyed area near the naturally well preserved demilitarized zone (DMZ) or presumably consumption of the pork imported from high endemic nations. Therefore, it is necessary to study further the epidemiology of toxoplasmosis in Cheorwon-gun.

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          Toxoplasmosis: A history of clinical observations.

          Louis Weiss, Jitender Dubey (2009)
          It has been 100 years since Toxoplasma gondii was initially described in Tunis by Nicolle and Manceaux (1908) in the tissues of the gundi (Ctenodoactylus gundi) and in Brazil by Splendore (1908) in the tissues of a rabbit. Toxoplasma gondii is a ubiquitous, Apicomplexan parasite of warm-blooded animals that can cause several clinical syndromes including encephalitis, chorioretinitis, congenital infection and neonatal mortality. Fifteen years after the description of T. gondii by Nicolle and Manceaux a fatal case of toxoplasmosis in a child was reported by Janků. In 1939 Wolf, Cowen and Paige were the first to conclusively identify T. gondii as a cause of human disease. This review examines the clinical manifestations of infection with T. gondii and the history of the discovery of these manifestations.
          Article 0 comments Cited 253 times – based on 0 reviews     Review now
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            Highly Endemic, Waterborne Toxoplasmosis in North Rio de Janeiro State, Brazil

            Lilian Maria Garcia Bahia-Oliveira, Jeffrey L. Jones, Juliana Azevedo-Silva … (2003)
            In Campos dos Goytacazes, northern Rio de Janeiro state, Brazil, reports of uveitis consistent with toxoplasmosis led to a survey of the prevalence and risk factors for Toxoplasma gondii infection in 1997–1999. The survey population was selected randomly from schools, randomly chosen communities, and an army battalion. Serum samples from 1,436 persons were tested. With results adjusted for age, 84% of the population in the lower socioeconomic group was seropositive, compared with 62% and 23% of the middle and upper socioeconomic groups, respectively (p<0.001). When multivariate analysis was performed, drinking unfiltered water was found to increase the risk of seropositivity for the lower socioeconomic (odds ratio [OR]: 3.0, 95% confidence interval [CI] 1.3 to 6.9) and middle socioeconomic (OR: 1.7, 95% CI 1.2 to 2.3) populations. We also found a high T. gondii seroprevalence in this Brazilian community. Drinking unfiltered water increased the risk of T. gondii seropositivity, indicating the potential importance of oocyst transmission in water in this region.
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              Seroprevalence of toxoplasmosis in Korean pregnant women.

              Won Shin, Sung Shin, Woo Ho Nam … (2005)
              This study was performed in order to evaluate the sero-epidemiological status of toxoplasmosis in pregnant Korean women. Among 5,175 sera and 750 amniotic fluid samples obtained from pregnant women, 41 serum samples (0.79%) and 10 (1.33%) amniotic fluid samples tested positive for IgG antibodies by ELISA. Fifty one cases showing a score more than 0.25 on ELISA were tested for PCR reaction against the SAG1 gene. Only one case of the 51 ELISA positive cases exhibited a positive reaction on all tests. This case had a history of acute nephropyelitis during early pregnancy, but fortunately, had delivered a phenotypically healthy baby. In this study, the seroprevalence of toxoplasmosis in pregnant women was found to be comparatively low, consistent with previous reports from Korea. However our trials, performed with a variety of diagnostic tools, were considered to be useful for the precise diagnosis of congenital toxoplasmosis.
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                Author and article information

                Journal
                Journal ID (nlm-ta): Korean J Parasitol
                Journal ID (iso-abbrev): Korean J. Parasitol
                Journal ID (publisher-id): KJP
                Title: The Korean Journal of Parasitology
                Publisher: The Korean Society for Parasitology
                ISSN (Print): 0023-4001
                ISSN (Electronic): 1738-0006
                Publication date (Print): September 2012
                Publication date (Electronic): 13 August 2012
                Volume: 50
                Issue: 3
                Pages: 225-227
                Affiliations
                [1 ]Department of Parasitology and Catholic Institute of Parasitic Diseases, College of Medicine, Catholic University of Korea, Seoul 137-701, Korea.
                [2 ]Department of Parasitology, College of Medicine, Inha University, Incheon 400-712, Korea.
                [3 ]Department of Biochemistry, College of Natural Science, Chungbuk National University, Cheongju 361-763, Korea.
                [4 ]Department of Medical Environmental Biology, College of Medicine, Chung-Ang University, Seoul 156-756, Korea.
                [5 ]Department of Biomedical Technology, College of Medicine, Inha University, Incheon 400-712, Korea.
                Author notes
                Corresponding author ( howoo@ 123456catholic.ac.kr )

                †Hye-Jin Ahn and Pyo Yun Cho equally contributed as the first author.

                Article
                DOI: 10.3347/kjp.2012.50.3.225
                PMC ID: 3428568
                PubMed ID: 22949750
                SO-VID: 917a77fd-8926-4dbc-aca4-d683e0053f93
                Copyright © © 2012, Korean Society for Parasitology
                License:

                This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Date received : 08 February 2012
                Date revision received : 11 April 2012
                Date accepted : 12 April 2012
                Categories
                Subject: Brief Communication

                ScienceOpen disciplines: Parasitology
                Keywords: cheorwon-gun,seroprevalence,elisa,toxoplasma gondii
                Data availability:
                ScienceOpen disciplines: Parasitology
                Keywords: cheorwon-gun, seroprevalence, elisa, toxoplasma gondii

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