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August 2, 1995

Update: Outbreak of Ebola Viral Hemorrhagic Fever—Zaire, 1995

JAMA. 1995;274(5):373-374. doi:10.1001/jama.1995.03530050019008

MMWR. 1995;44:468-469, 475

AS OF JUNE 25, public health authorities have identified 296 persons with viral hemorrhagic fever (VHF) attributable to documented or suspected Ebola virus infection in an outbreak in the city of Kikwit and the surrounding Bandundu region of Zaire1,2; 79% of the cases have been fatal, and 90 (32%) of 283 cases in persons for whom occupation was known occurred in health-care workers. This report summarizes characteristics of persons with VHF from an initial description of cases and preliminary findings of an assessment of risk factors for transmission.

A case was defined as confirmed or suspected VHF in a resident of Kikwit or the surrounding Bandundu region identified since January 1. The median age of persons with VHF was 37 years (range: 1 month-71 years); 52% were female. Based on preliminary analysis of 66 cases for which data were available, the most frequent symptoms at onset

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