Prevalence of severe fever with thrombocytopenia syndrome virus among ticks surveyed at Mt. Gwanak, Korea
2017
Chae, J.B., Seoul National University, Seoul, Republic of Korea | Kim, T.H., Seoul National University, Seoul, Republic of Korea | Jung, J.H., Seoul National University, Seoul, Republic of Korea | Park, Y.J., Seoul National University, Seoul, Republic of Korea | Park, J.H., Chonbuk National University, Iksan, Republic of Korea | Choi, K.S., Kyungpook National University, Sangju, Republic of Korea | Yu, D.H., Gyeongsang National University, Jinju, Republic of Korea | Park, B.K., Chungnam National University, Daejeon, Republic of Korea | Chae, J.S., Seoul National University, Seoul, Republic of Korea
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.
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