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Bovine TB
EFSA advises on field trials to test TB vaccination of cattle

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THE challenges involved in designing field trials to test the performance of any bovine TB vaccine for cattle are set out in a recent opinion from the European Food Safety Authority (EFSA).

In a scientific opinion published on December 11, the EFSA discusses the structure of field trials to test and validate a candidate bovine TB vaccine together with supporting tests to differentiate infected from vaccinated animals (DIVA). It says that field trials should also aim to validate the use of a vaccine as a contributory tool to help with the eradication of bovine TB when applied alongside the test and cull programme that is currently conducted within the EU.

It says that a review of the scientific knowledge on available vaccines against bovine TB indicates that the hypothetical development of a policy allowing the only candidate vaccine (a live BCG vaccine) to be used in cattle …

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