Seroprevalence of hantaviruses in small wild mammals trapped in South Korea from 2005 to 2010 |
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Authors: | Lim Mi Young Ryou Jungsang Kim Su Yeon Shin E-Hyun Yoo Youn Jeong Yun Seok-Min Noh Yoon Tae Han Myung Guk Ju Young Ran |
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Affiliation: | Division of Arboviruses, Center for Immunology and Pathology, National Institute of Health, Korea Centers for Disease Control and Prevention, Gangoe-myeon, Cheongwon-gun, Chungcheongbuk-do, Korea. |
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Abstract: | The seroprevalence of Hantaan virus (HTNV) in wild rodents in South Korea was analyzed. Wild rodents were trapped in 18 cities in eight provinces during 2005-2007 and on three islands and four mountains during 2008-2010. Sera were collected from 629 out of 933 trapped wild animals and examined for immunoglobulin G antibodies to HTNV using indirect immunofluorescence assays. Apodemus agrarius (80.1%) was the most frequently captured species at almost all trapping sites. The overall prevalence of HTNV antibodies was 0.26 (162/629). Seropositive individuals were more frequent in cities (32.2%, n=410) than on islands (14.0%, n=57) or mountains (13.6%, n= 162). HTNV antibody-positive rate was higher in the fall (29.6%, n=253) than in the spring (23.1%, n=376). A. agrarius had the highest prevalence of HTNV antibodies (26.9%, n=561) of all tested species. Considering all the individuals, the prevalence of HTNV antibodies was higher in males (29.2%, n=250) than in females (22.3%, n=305). Our results show that HTNV is widely distributed throughout South Korea, and that HTNV infection of wild rodents is affected by their habitat, species, sex, and season. |
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Keywords: | Hantaviruses seroprevalence small wild mammals Korea |
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