Neutralising antibodies to Akabane virus in ruminants in Cyprus

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Abstract
Summary Neutralising antibodies to Akabane virus, a cause of arthrogryposis and hydranencephaly, were demonstrated in serum samples from 33 sheep, 3 goats and 1 bovine among 285 serum samples collected in south-eastern Cyprus from December 1970 onwards. Twenty-four of the 29 sheep having positive antibodies came from one farm in Liopetri. No positive sera came from animals born after 1969, no association with abortions or stillbirths was noted and no arthrogryposis or hydranencephaly was observed in Cypriot animals in 1969 or before. It is suggested that Akabane virus was carried to Cyprus from the eastern Mediterranean mainland by infected midges on the wind in 1969 and possibly also in 1968, but that no disease was observed since infection took place after 50 days of gestation when damage to the foetus was unlikely.