A serological survey of arboviruses in Gabon
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Serological studies for arbovirus antibodies were carried out on 1.279 human serum specimens collected from adults in south-eastern part of Gabon from June to September 1975 during a multipurpose epidemiological survey. More than 80% of the population surveyed have neutralizing antibodies for yellow fever virus as consequence of mass vaccination campaign. Chikungunya, Zika, Wesselsbron and Koutango virus showed some activity, especially in woodland savannahs.