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Highly virulent porcine reproductive and respiratory syndrome viruses which produce lesions in pigs and vaccines that protect pigs against said syndrome
Highly virulent porcine reproductive and respiratory syndrome viruses which produce lesions in pigs and vaccines that protect pigs against said syndrome
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机译:高毒性猪繁殖与呼吸综合症病毒,可在猪中产生病变,并提供疫苗保护猪免受上述综合症侵害
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摘要
The present invention provides a vaccine which protects pigs from a virus and/or an infectious agent causing a porcine respiratory and reproductive disease, a method of protecting a pig from a disease caused by a virus and/or an infectious agent which causes a respiratory and reproductive disease, a method of producing a vaccine against a virus and/or an infectious agent causing a porcine reproductive and respiratory disease, and a biologically pure sample of a virus and/or infectious agent associated with a porcine respiratory and reproductive disease, particularly the Iowa strain of porcine reproductive and respiratory syndrome virus (PRRSV), and an isolated polynucleotide which is at least 90% homologous with a polynucleotide obtained from the genome of a virus and/or infectious agent which causes a porcine respiratory and reproductive disease.
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