Arthropod-borne virus antibodies in sera of residents of Kainji Lake Basin, Nigeria 1980
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A survey for haemagglutination-inhibiting arthropod-borne virus antibody was carried out in the Kainji Lake area of Nigeria. Of 267 persons tested, 139 (52%) and 158 (59%) had alphavirus and flavivirus group HI antibody, respectively. The prevalence of antibody to individual virus antigen is as follows: Chikungunya, 45%; Semliki Forest, 25%; Sindbis, 33%, Yellow fever, 31%, Dengue type 2, 46%; and Zika 56%. The presence of high antibody rates to Chikungunya, Dengue type 2 and Yellow fever viruses is of public health significance. These viruses have been identified as the most important arthropod-borne viruses causing human infections in Nigeria.