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Korean J Parasitol. 2017 Feb;55(1):9-13. doi: 10.3347/kjp.2017.55.1.9. Epub 2017 Feb 28.

High Seroprevalence of Toxoplasmosis Detected by RDT among the Residents of Seokmo-do (Island) in Ganghwa-Gun, Incheon City, Korea.

Author information

1
Department of Ophthalmology, College of Medicine, Catholic University of Korea, Seoul 06591, Korea.
2
Genbody Inc., Cheonan 31116, Korea.
3
Department of Parasitology and Tropical Medicine and Inha Research Institute for Medical Sciences, Inha University School of Medicine, Incheon 22333, Korea.
4
Department of Medical Environmental Biology, Chung-Ang University College of Medicine, Seoul 06974, Korea.
5
Department of Parasitology, College of Medicine, the Catholic University of Korea, Seoul 06591, Korea.

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:

Korea; Seokmo-do (Island); Toxoplasma gondii; rapid diagnostic test; seroprevalence

PMID:
28285501
PMCID:
PMC5365263
DOI:
10.3347/kjp.2017.55.1.9
[Indexed for MEDLINE]
Free PMC Article

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