Parasites, Hosts and Diseases

The Korea Society for Parasitology and Tropical Medicine (대한기생충학·열대의학회)
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Outbreak of Cyclosporiasis in Korean Travelers Returning from Nepal

  • Ma, Da-Won (Division of Vectors & Parasitic Diseases, Korea Disease Control and Prevention Agency) ;
  • Lee, Myoung-Ro (Division of Vectors & Parasitic Diseases, Korea Disease Control and Prevention Agency) ;
  • Ku, Bora (Division of Vectors & Parasitic Diseases, Korea Disease Control and Prevention Agency) ;
  • Cho, Shin-Hyeong (Division of Vectors & Parasitic Diseases, Korea Disease Control and Prevention Agency) ;
  • Lee, Sang-Eun (Division of Vectors & Parasitic Diseases, Korea Disease Control and Prevention Agency)
  • Received : 2020.04.24
  • Accepted : 2020.09.15
  • Published : 2020.10.31
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Abstract

Cyclospora cayetanensis is an apicomplexan protozoan and is one of the most common pathogens causing chronic diarrhea worldwide. Eight stool samples with diarrheal symptom out of 18 Korean residents who traveled to Nepal were obtained, and examined for 25 enteropathogens including 16 bacterial species, 5 viral species, and 4 protozoans in stool samples as causative agents of water-borne and food-borne disease. Only C. cayetanensis was detected by nested PCR, and 3 PCR-positive samples were sequenced to confirm species identification. However, the oocysts of C. cayetanensis in fecal samples could not be detected by direct microscopy of the stained sample. As far as we know, this is the first report of a group infection with C. cayetanensis from a traveler visiting Nepal, and the second report of a traveler's diarrhea by C. cayetanensis imported in Korea.

Keywords

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