作者: Mark D. Cochran
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摘要: The present invention provides an attenuated, genetically-engineered pseudorabies virus designated S-PRV-155 (ATCC Accession No. VR 2311). A vaccine is provided which comprises effective immunizing amount of and a suitable carrier. method animal against disease caused by also administering to the dose vaccine. for distinguishing vaccinated with from infected naturally-occurring, wild-type virus.