期刊
AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE
卷 94, 期 2, 页码 420-427出版社
AMER SOC TROP MED & HYGIENE
DOI: 10.4269/ajtmh.15-0486
关键词
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资金
- Key Discipline Construction Project in Hunan Province [2008001]
- National Natural Science Foundation [40971038]
- Scientific Research Fund of the Hunan Provincial Education Department [11K037]
- Hunan Provincial Natural Science Foundation of China [11JJ3119]
- Science and Technology Planning Project of Hunan Province of China [2010SK3007]
- Key Subject Construction Project of Hunan Normal University (geographic information systems)
Infection rates of rodents have a significant influence on the transmission of hemorrhagic fever with renal syndrome (HFRS). In this study, four cities and two counties with high HERS incidence in eastern Hunan Province in China were studied, and surveillance data of rodents, as well as HFRS cases and related environmental variables from 2007 to 2010, were collected. Results indicate that the distribution and infection rates of rodents are closely associated with environmental conditions. Hantavirus infections in rodents were positively correlated with temperature vegetation dryness index and negatively correlated with elevation. The predictive risk maps based on multivariate regression model revealed that the annual variation of infection risks is small, whereas monthly variation is large and corresponded well to the seasonal variation of human HFRS incidence. The identification of risk factors and risk prediction provides decision support for rodent surveillance and the prevention and control of HERS.
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