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Prevalence of severe fever with thrombocytopenia syndrome virus among ticks surveyed at Mt. Gwanak, Korea

관악산에서 참진드기 조사 및 중증열성혈소판감소증후군 바이러스 검출

  • Chae, Jeong-Byoung (Laboratory of Veterinary Internal Medicine, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University) ;
  • Kim, Tae-Hee (Laboratory of Veterinary Internal Medicine, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University) ;
  • Jung, Jee-Ho (Laboratory of Veterinary Internal Medicine, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University) ;
  • Park, Yoon-Ji (Laboratory of Veterinary Internal Medicine, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University) ;
  • Park, Jin-Ho (College of Veterinary Medicine, Chonbuk National University) ;
  • Choi, Kyoung-Seong (College of Ecology and Environmental Science, Kyungpook National University) ;
  • Yu, Do-Hyeon (College of Veterinary Medicine, Gyeongsang National University) ;
  • Park, Bae-Keun (College of Veterinary Medicine, Chungnam National University) ;
  • Chae, Joon-Seok (Laboratory of Veterinary Internal Medicine, BK21 PLUS Program for Creative Veterinary Science Research, Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University)
  • Received : 2017.02.17
  • Accepted : 2017.07.04
  • Published : 2017.09.30

Abstract

This study was performed to investigate the distribution of ticks and the rate of infection with severe fever with thrombocytopenia syndrome (SFTS) virus in ticks collected at Mt. Gwanak and the Seoul National University campus, Korea. Ticks (n = 273) were collected from May to October and included 76 Haemaphysalis longicornis (4 adult females, 72 nymphs), 49 Haemaphysalis flava (9 adult females, 3 adult males, 37 nymphs), and 148 Haemaphysalis spp. larvae. SFTS virus detection was performed by using one-step RT PCR and nested PCR. The SFTS virus was detected in 7 samples (1 Haemaphysalis longicornis nymph, 3 Haemaphysalis flava nymphs, and 3 Haemaphysalis spp. larva). The overall minimum field infection rate was 2.6%, whereas the minimum field infection rates of adult, nymphal, and larval ticks were 0%, 3.2%, and 2.0%, respectively. For a more accurate indication of the prevalence of SFTS virus in Korea, further in-depth investigations of tick species and SFTS virus occurrence over a larger area and longer period are needed.

Acknowledgement

Supported by : 농촌진흥청

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