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- Title
Geographical Distribution and Relative Abundance of Vectors of Scrub Typhus in the Republic of Korea.
- Authors
In Yong Lee; Heung Chul Kim; Young-Sun Lee; Jang Hoon Seo; Jae Won Lim; Tae Soon Yong; Terry A. Klein; Won Ja Lee
- Abstract
A survey to determine the geographical distribution and relative abundance of potential vectors of scrub typhus was conducted from October to November 2006 at 13 localities throughout the Republic of Korea. Apodemus agrarius accounted for 97.6% (80/82) of all rodents, while only 2 Myodes regulus (2/82) were collected. A total of 10,860 chiggers were collected from A. agrarius belonging to 4 genera and 8 species, while only Walchia fragilis (40) was collected from Myodes regulus. Leptotrombidium pallidum (8,137; 74.9%), a vector of scrub typhus, was the predominant species collected from A. agrarius followed by Leptotrombidium scutellare (2,057, 18.9%), Leptotrombidium palpale (279; 2.7%), Leptotrombidium orientale (232; 2.1%), and Leptotrombidium zetum (79; 0.7%), Neotrombicula tamiyai (58; 0.5%), Euschoengastica koreaensis (16; 0.1%), and Cheladonta ikaoensis (2; < 0.1%). L. pallidum was the predominant chigger collected at collection sites in Gangwon (100%), Gyeonggi (87.2%), Chungnam (100%), Chungbuk (100%), Jeonbuk (73.9%), Jeonnam (77.0%), and Gyeongbuk (66.1%) provinces, whereas L. scutellare was the predominant chigger collected in Gyeongnam province (77.9%) and Jeju Island (62.3%). Data suggest a correlation between chigger population abundance and human cases of scrub typhus in Korea.
- Subjects
KOREA; TSUTSUGAMUSHI disease; APODEMUS; LEPTOTROMBIDIUM; GEOGRAPHICAL distribution of insects; SURVEYS
- Publication
Korean Journal of Parasitology, 2009, Vol 47, Issue 4, p381
- ISSN
0023-4001
- Publication type
Article
- DOI
10.3347/kjp.2009.47.4.381