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KMID : 0425120190570060691
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Parasites, Hosts and Diseases
2019 Volume.57 No. 6 p.691 ~ p.698
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Four Year Surveillance of the Vector Hard Ticks for SFTS, Ganghwa-do, Republic of Korea
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Kim-Jeon Myung-Deok
Jegal Seung
Jun Ho-Jong
Jung Ha-Neul
Park Seo-Hye
Ahn Seong-Kyu
Lee Jin-Young
Gong Young-Woo
Joo Kwang-Sig
Kwon Mun-Ju
Roh Jong-Yul
Lee Wook-Gyo
Bahk Young-Yil
Kim Tong-Soo
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Abstract
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The seasonal abundance of hard ticks that transmit severe fever with thrombocytopenia syndrome virus was monitored with a collection trap method every April to November during 2015-2018 and with a flagging method every July and August during 2015-2018 in Ganghwa-do (island) of Incheon Metropolitan City, Republic of Korea. This monitoring was performed in a copse, a short grass field, coniferous forest and broad-leaved forest. A total of 17,457 ticks (8,277 larvae, 4,137 nymphs, 3,389 females, and 1,654 males) of the ixodid ticks comprising 3 species (Haemaphysalis longicornis, H. flava, and Ixodes nipponensis) were collected with collection traps. Of the identified ticks, H. longicornis was the most frequently collected ticks (except larval ticks) (94.26%, 8,653/9,180 ticks (nymphs and adults)), followed by H. flava (5.71%, 524/9,180) and Ix. nipponensis (less than 0.04%, 3/9,180). The ticks collected with collecting traps were pooled and assayed for the presence of SFTS virus with negative results. In addition, for monitoring the prevalence of hard ticks, a total of 7,461 ticks (5,529 larvae, 1,272 nymphs, 469 females, and 191 males) of the ixodid ticks comprising 3 species (H. longicornis, H. flava, and Ix. nipponensis) were collected with flagging method. H. longicornis was the highest collected ticks (except larval ticks) (99.53%, 1,908/1,917 ticks (nymphs and adults)), followed by H. flava (1.15%, 22/1,917).
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KEYWORD
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Hard tick, severe fever with thrombocytopenia syndrome (SFTS), SFTS virus, Ganghwa-do, climate change
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