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KMID : 0425120170550010009
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Parasites, Hosts and Diseases
2017 Volume.55 No. 1 p.9 ~ p.13
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High Seroprevalence of Toxoplasmosis Detected by RDT among the Residents of Seokmo-do (Island) in Ganghwa-Gun, Incheon City, Korea
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Kim Yeong-Hoon
Lee Ji-Hoo
Ahn Seong-Kyu
Kim Tong-Soo
Hong Sung-Jong
Chong Chom-Kyu
Ahn Hye-Jin
Nam Ho-Woo
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Abstract
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Seroprevalence of Toxoplasma gondii infection among the residents of Seokmo-do (Island) in Ganghwa-gun, Incheon, Korea was surveyed for 4 years by a rapid diagnostic test (RDT) using recombinant fragment of major surface antigen (SAG1), GST-linker-SAG1A. Sera from 312, 343, 390, and 362 adult residents were collected on a yearly basis from 2010 to 2013, respectively. Total positive seroprevalence regardless of gender was 29.2, 35.3, 38.7, and 45.3% from 2010 to 2013, respectively. Positive seroprevalence in male adults was 43.9, 48.2, 45.4, and 55.3%, which was far higher than that of the corresponding female adults which was 20.7, 29.2, 33.9, and 38.9%, from 2010 to 2013, respectively. This high seroprevalence of toxoplasmosis in Seokmo-do may have been caused in part by peculiar changes in the toxoplasmic environment of the island as it is a relatively isolated area preserving its natural habitat while also being connected by a bridge to the mainland. Further study is necessary to find out symptomatic patients and to confirm the risk factors.
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KEYWORD
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Toxoplasma gondii, seroprevalence, rapid diagnostic test, Seokmo-do (Island), Korea
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