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Hantaan virus surveillance targeting small mammals at Dagmar North Training Area, Gyeonggi Province, Republic of Korea, 2001-2005.

Research paper by Terry A TA Klein, Hae Ji HJ Kang, Se Hun SH Gu, Sungsil S Moon, So-Hee SH Shim, Yon Mi YM Park, Sook-Young SY Lee, Heung-Chul HC Kim, Sung-Tae ST Chong, Monica M O'Guinn, John S JS Lee, Michael J MJ Turell, Jin-Won JW Song

Indexed on: 02 Dec '11Published on: 02 Dec '11Published in: Journal of Vector Ecology



Abstract

In response to a hemorrhagic fever with renal syndrome case in November 2000, a seasonal rodent-borne disease surveillance program was initiated at Dagmar North Training Area (DNTA), Gyeonggi Province, Republic of Korea. From April 2001-December 2005, 1,848 small mammals were captured. Apodemus agrarius accounted for 92.5%, followed by Mus musculus (3.6%), Crocidura lasiura (2.1%), and Microtus fortis (1.1%). Three species of rodents were found to be antibody-positive (Ab+) for Hantaan virus (HTNV): A. agrarius (22.3%), M. musculus (9.1%), and M. fortis (5.0%). Ab+ rates for A. agrarius increased with increasing weight (age), except for those weighing <10 g. The peak HTNV transmission period in Korea coincided with the peak reproductive potential of A. agrarius during the fall (August/September) surveys. HTNV strains from DNTA were distinct from HTNV strains from the People's Republic of China. From these studies, more accurate risk assessments can be developed to better protect personnel from rodent-borne diseases.

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