First Report of an Outbreak of African Horsesickness Virus Serotype 2 in the Northern Hemisphere |
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| Authors: | Folorunso Fasina DVM Abraham Christiaan Potgieter PhD Ademola Ibironke MSc Benjamin Bako Dauda Bwala DVM Peterside Kumbish DVM |
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| Institution: | aViral Research Department, NVRI, Nigeria;bAHSV & BTV Laboratory, Virology Division, ARC-OVI, South Africa;cDepartment of Livestock Services, Osun State Ministry of Agriculture, Nigeria;dEpidemiology Division, NVRI, Nigeria;eViral Vaccine Production Department, NVRI, Nigeria |
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| Abstract: | A case of a rapidly fatal disease in polo horses caused by African horsesickness (AHS) virus serotype 2 is described. The pattern of polo tournaments, environmental/management conditions (moist and warm), as well as probable importation strategies with no regard for import control and quarantine, favored introduction and spread of the virus. The outbreak, which involved a large number of horses, was characterized by severe respiratory distress, fever, supraorbital edema, and death. This is the first time a widespread epidemic of AHS has been reported in Nigeria and this is the first report of AHSV serotype 2 in the northern hemisphere. In addition, we amplified the complete genome of the virus using RNA extracted from clotted blood. This report indicates that AHS is expanding its geographical territory northwards and assuming a new microbial ecology. |
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| Keywords: | AHSV Nigeria Serotype 2 First report |
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