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Swine fever
Classical swine fever virus in cattle

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The genus Pestivirus, family Flaviviridae, includes genetically related species recognised as important pathogens. Except for classical swine fever virus (CSFV), there is a consensus that pestiviruses have the capacity to cross the species barrier. CSFV is generally considered to be restricted to domestic and wild suids. Current knowledge indicates that experimental infections without clinical signs have been reported in cattle, sheep, goats and deer, but there is no evidence that these species become infected in nature (Biró and others 1966, cfsph 2015, Loan and Storm 1968, Shimizu and Kumagai 1989).

In contrast to this apparent epidemiological static nature and inability to cross the species barrier in natural conditions, we report the recent isolation of CSFV strains in cattle (Bos taurus) from India and China. Twelve strains isolated from cattle of six months to two years of age have been …

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