Bluetongue virus. Flashcards
Bluetongue disease is present only in tropical + sub- tropical countries.
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Wild birds are the natural reservoir host of the Bluetongue virus.
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In utero Bluetongue virus infection may result in immunotolerance.
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The most severe clinical manifestation of Bluetongue disease is usually seen in goats.
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Bluetongue is an orbivirus.
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Bluetongue 1ºly spreads with blood sucking insects.
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Bluetongue replicates in endothelial cells of BV.
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The causative agent of Bluetongue multiplies in endothelium.
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Bluetongue has 24 known serotypes.
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Bluetongue is an enteral disease of turkeys.
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Bluetongue causes symptoms mostly in sheep + goat.
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Bluetongue is ø present in Europe.
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Bluetongue causes skin signs in Bo.
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Bluetongue also infects Sus.
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Bluetongue infects all hooved animals.
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Bluetongue virus is typically vectored by ticks.
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Sheep are less sensitive to Bluetongue than Sus.
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Ru + Sus are the most important hosts of the Bluetongue virus.
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Lameness is 1 of the CS of Bluetongue disease in sheep.
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Rodents are the main reservoirs of the Bluetongue virus.
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Bluetongue is present only in tropical areas.
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Lameness is a freqeunt CS of Bluetongue in sheep.
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Vaccination against Bluetongue provived serotype- specific protection.
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Serological cross protection exists between 25 known serotypes of Bluetongue virus.
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ø long term carrier stage is observed in Bluetongue infections.
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Epizootic hemorrhage fever is a Bluetongue- like disease of wild Ru in America.
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Ibarki disease is a Bluetongue- like disease in Asia + in America.
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The serotypes 8 strain of the bluetongue virus, which emerged in Western Europe, does ø cause CS in cattle.
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