An outbreak of Rift Valley fever in Northeastern Kenya, 1997-98. (Research).(Statistical Data Included)

From: Emerging Infectious Diseases | Date: February 1, 2002| Author: | Copyright information

In December 1997, 170 hemorrhagic fever-associated deaths were reported in Garissa District, Kenya. Laboratory testing identified evidence of acute Rift Valley fever virus (RVFV). Of the 171 persons enrolled in a cross-sectional study, 31(18%)were anti-RVFV immunoglobulin (Ig) M positive. An age-adjusted IgM antibody prevalence of 14% was estimated for the district. We estimate approximately 27,500 infections occurred in Garissa District, making this the largest recorded outbreak of RVFV in East Africa. In multivariable analysis, contact with sheep body fluids and sheltering ...

<15 years of age, 23% of persons 15 to 65 years of age, and 13% of persons>
<15                 40 (20)       2 (5) 
  15 to 65            150 (74)      25 (17)><15                    38             2 (5) 
  15 to 65               125            28 (22)>

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