Parasites, Hosts and Diseases

The Korea Society for Parasitology and Tropical Medicine (대한기생충학·열대의학회)
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High Seroprevalence of Toxoplasmosis Detected by RDT among the Residents of Seokmo-do (Island) in Ganghwa-Gun, Incheon City, Korea

  • Kim, Yeong Hoon (Department of Ophthalmology, College of Medicine, Catholic University of Korea) ;
  • Lee, Jihoo (Genbody Inc.) ;
  • Ahn, Seongkyu (Department of Parasitology and Tropical Medicine and Inha Research Institute for Medical Sciences, Inha University School of Medicine) ;
  • Kim, Tong-Soo (Department of Parasitology and Tropical Medicine and Inha Research Institute for Medical Sciences, Inha University School of Medicine) ;
  • Hong, Sung-Jong (Department of Medical Environmental Biology, Chung-Ang University College of Medicine) ;
  • Chong, Chom-Kyu (Genbody Inc.) ;
  • Ahn, Hye-Jin (Department of Parasitology, College of Medicine, Catholic University of Korea) ;
  • Nam, Ho-Woo (Department of Parasitology, College of Medicine, Catholic University of Korea)
  • Received : 2016.11.09
  • Accepted : 2017.01.30
  • Published : 2017.02.28
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Abstract

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.

Keywords

References

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