Ebola Virus Infection in Man: A Serological and Epidemiological Survey in the Cameroons

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  • Service de Parasitologie et Maladies Tropicales, Hôpital Bicêtre, Université Paris-Sud, 70 rue du Gal Leclerc, F-94270 Bicêtre, France

The presence of antibodies to Ebola virus among 1,517 apparently healthy persons in five regions of the Cameroons was tested using indirect immunofluorescence. A positive rate of 9.7% was found, confirming that the virus circulates in the absence of clinical cases. Highest rates were found among Pygmies, young adults, and rain forest farmers.