Drought-associated Chikungunya emergence along coastal East Africa

被引:154
作者
Chretien, Jean-Paul
Anyamba, Assaf
Bedno, Sheryl A.
Breiman, Robert F.
Sang, Rosemary
Sergon, Kibet
Powers, Ann M.
Onyango, Clayton O.
Small, Jennifer
Tucker, Compton J.
Linthicum, Kenneth J.
机构
[1] Walter Reed Army Inst Res, Dept Def Global Emerging Infect Surveillance & Re, Div Prevent Med, Silver Spring, MD 20910 USA
[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[3] USA, Med Res Unit, Nairobi, Kenya
[4] CDC, Int Emerging Infect Program, Nairobi, Kenya
[5] Kenya Govt Med Res Ctr, Nairobi, Kenya
[6] CDC, Field Epidemiol & Lab Training Program, Nairobi, Kenya
[7] CDC, Div Vector Borne Infect Dis, Ft Collins, CO USA
[8] USDA ARS, Ctr Med Agr & Vet Entomol, Gainesville, FL 32611 USA
关键词
D O I
10.4269/ajtmh.2007.76.405
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
Epidemics of chikungunya fever, an Aedes spp.-borne viral disease, affected hundreds of thousands of people in western Indian Ocean islands and India during 2005-2006. The initial outbreaks occurred in coastal Kenya (Lamu, then Mombasa) in 2004. We investigated eco-climatic conditions associated with chikungunya fever emergence along coastal Kenya using epidemiologic investigations and satellite data. Unusually dry, warm conditions preceded the outbreaks, including the driest since 1998 for some of the coastal regions. Infrequent replenishment of domestic water stores and elevated temperatures may have facilitated Chikungunya virus transmission. These results suggest that drought-affected populations may be at heightened risk for chikungunya fever, and underscore the need for safe water storage during drought relief operations.
引用
收藏
页码:405 / 407
页数:3
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