专利名称：European vaccine strains of the porcine
reproductive and respiratory syndrome virus
发明人：Petrus Alphonsus Maria Van Woensel,Jean
Guillaume Joseph Demaret
申请号：US08/947696申请日：19971009公开号：US05925359A公开日：19990720
摘要：The present invention is concerned with European strains of the PorcineReproductive Respiratory Syndrome (PRRS) virus, having as a unique feature that they arenon-infectious to macrophages, and to methods for the production of such strains. Theinvention also provides vaccines for the protection of pigs against PRRS, based on thesestrains, as well as methods for the production of such vaccines.
申请人：AKZO NOBEL, N.V.
代理人：William M. Blackstone,Mary E. Gormley
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