Risk Factors for Severe Rift Valley Fever Infection in Kenya, 2007

被引:129
作者
Anyangu, Amwayi S. [4 ]
Gould, L. Hannah [1 ]
Sharif, Shahnaaz K.
Nguku, Patrick M. [5 ]
Omolo, Jared O. [6 ]
Mutonga, David [6 ]
Rao, Carol Y. [7 ]
Lederman, Edith R. [8 ]
Schnabel, David
Paweska, Janusz T. [3 ]
Katz, Mark
Hightower, Allen
Njenga, M. Kariuki
Feikin, Daniel R.
Breiman, Robert F. [2 ]
机构
[1] Ctr Dis Control & Prevent, Atlanta, GA USA
[2] CDC Kenya, Global Dis Detect Div, Int Emerging Infect Program, Nairobi, Kenya
[3] Natl Inst Communicable Dis, Special Pathogens Unit, Johannesburg, South Africa
[4] Prov Headquarters N Eastern Prov, Garissa, Kenya
[5] Minist Hlth, Div Communicable Dis Control, Nairobi, Kenya
[6] Minist Hlth, Div Dis Surveillance & Response, Nairobi, Kenya
[7] Ctr Dis Control & Prevent, Div Healthcare Qual Promot, Atlanta, GA USA
[8] Ctr Dis Control & Prevent, Poxvirus & Rabies Branch, Div Viral & Rickettisial Dis, Natl Ctr Zoonot Vectorborne & Enter Dis, Atlanta, GA USA
关键词
SAUDI-ARABIA; OUTBREAK; VIRUS; EPIDEMIC; DISEASE; HUMANS; EGYPT; QUANTIFICATION; HEPATITIS; ANTIBODY;
D O I
10.4269/ajtmh.2010.09-0293
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
A large Rift Valley fever (RVF) outbreak occurred in Kenya from December 2006 to March 2007. We conducted a study to define risk factors associated with infection and severe disease. A total of 861 individuals from 424 households were enrolled. Two hundred and two participants (23%) had serologic evidence of acute RVF infection. Of these, 52 (26%) had severe RVF disease characterized by hemorrhagic manifestations or death. Independent risk factors for acute RVF infection were consuming or handling products from sick animals (odds ratio [OR] = 2.53, 95% confidence interval [CI] = 1.78-3.61, population attributable risk percentage [PAR%] = 19%) and being a herdsperson (OR 1.77,95% CI = 1.20-2.63, PAR% = 11%). Touching an aborted animal fetus was associated with severe RVF disease (OR = 3.83,95% CI = 1.68-9.07, PAR% = 14%). Consuming or handling products from sick animals was associated with death (OR = 3.67,95% CI = 1.07-12.64, PAR% = 47%). Exposures related to animal contact were associated with acute RVF infection, whereas exposures to mosquitoes were not independent risk factors.
引用
收藏
页码:14 / 21
页数:8
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