Avoid TB Skin Test After Bluetongue Vaccination
UK - Farmers are being advised not to carry out a TB skin test at the same time as vaccinating against bluetongue after the vaccine generated false positives on some TB tests.
15 August 2008
1 minute read
According to Farmers Guardian, the adjuvants present in the vaccine can cause false positives on TB tests as a result of the immune response they stimulate and farmers are being advised to avoid using it with the skin tests.
A Defra spokesperson said: “It is not recommend that any medicines, including bluetongue vaccines, should be administered at the time of injection of tuberculin (your vet’s first visit) in order to avoid any risk of interference with the TB test.
“No problems are expected with using medicines on the day of the reading of the skin test (your vet’s second visit).”
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