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Volume 20, Number 8—August 2014
Dispatch

Severe Fever with Thrombocytopenia Syndrome Virus in Ticks Collected from Humans, South Korea, 2013

Seok-Min Yun1, Wook-Gyo Lee1, Jungsang Ryou, Sung-Chan Yang, Sun-Whan Park, Jong Yeol Roh, Ye-Ji Lee, Chan Park, and Myung Guk HanComments to Author 
Author affiliations: Korea Centers for Disease Control and Prevention, Cheongwon-gun, South Korea

Main Article

Table

Ticks collected from humans in South Korea during a study of severe fever with thrombocytopenia syndrome virus, 2013*

Tick species, developmental stage No. ticks No. pools No. SFTSV-positive pools MIR, %
Haemaphysalis longicornis
Larvae 0 0 0 0
Nymphs 85 34 1 1.2
Adults, sex
M 5 5 0 0
F 122 109 11 9.0
Subtotal
212
148
12
5.7
Haemaphysalis flava
Larvae 0 0 0 0
Nymphs 9 4 0 0
Adults, sex
M 2 2 0 0
F 3 3 0 0
Subtotal
14
9
0
0
Haemaphysalis japonica
Larvae 0 0 0 0
Nymphs 0 0 0 0
Adults, sex
M 0 0 0 0
F 1 1 0 0
Subtotal
1
1
0
0
Amblyomma testudinarium
Larvae 0 0 0 0
Nymphs 16 13 4 25.0
Adults, sex
M 0 0 0 0
F 1 1 0 0
Subtotal
17
14
4
23.5
Ixodes nipponensis
Larvae 0 0 0 0
Nymphs 3 3 2 66.7
Adults, sex
M 0 0 0 0
F 12 12 0 0
Subtotal
15
15
2
13.3
Ixodes persulcatus
Larvae 0 0 0 0
Nymphs, sex 0 0 0 0
Adults
M 0 0 0 0
F 1 1 0 0
Subtotal
1
1
0
0
Ixodes granulatus
Larvae 0 0 0 0
Nymphs 0 0 0 0
Adults, sex
M 0 0 0 0
F 1 1 0 0
Subtotal
1
1
0
0
Total
Larvae 0 0 0 0
Nymphs 113 54 7 6.2
Adults, sex
M 7 7 0 0
F 141 128 11 7.8
Total 261 189 18 6.9

*Pools of nymphal and adult ticks contained 1–30 ticks/pool and 1–5 ticks/pool, respectively. MIR, SFTSV minimum infection rate per 100 ticks (no. positive pools/total no. ticks assayed); SFTSV, severe fever with thrombocytopenia syndrome virus.

Main Article

1These authors contributed equally to this article.

Page created: July 18, 2014
Page updated: July 18, 2014
Page reviewed: July 18, 2014
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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