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(8) In accordance with the opinion of the Scientific Committee, marker vaccines capable of eliciting a protective immunity distinguishable from the immune response elicited by natural infection with the wild virus by means of appropriate laboratory tests may become a useful additional tool in the control of classical swine fever in areas with a high density of pigs, thereby avoiding massive slaughter of animals. It is therefore advisable to establish a Community procedure for approving such discriminatory tests, once the remaining limitations of these tests have been overcome, and to authorise Member States to introduce the use of marker vaccines when appropriate in an emergency.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-09 · Text as adopted (Official Journal); later amendments are not incorporated in this text.