Viral agent associated with mystery swine disease

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Virus or component thereof

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4241991, 435236, 435237, A61K 3912, C12N 704, C12N 708

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active

059895632

ABSTRACT:
A substantially avirulent vaccine against Porcine Reproductive and Respiratory Syndrome (PRRS) is provided, which effectively immunizes swine against the U.S. and European forms of the disease, together with a method of growing the viral agent in vitro, and a method of attenuating the virus for vaccine preparation.

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