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Protection of European domestic pigs from virulent African isolates of African swine fever virus by experimental immunisation

机译:通过实验免疫保护欧洲家猪免受非洲猪瘟病毒的强毒非洲分离株的侵害

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摘要

African swine fever (ASF) is an acute haemorrhagic disease of domestic pigs for which there is currently no vaccine. We showed that experimental immunisation of pigs with the non-virulent OURT88/3 genotype I isolate from Portugal followed by the closely related virulent OURT88/1 genotype I isolate could confer protection against challenge with virulent isolates from Africa including the genotype I Benin 97/1 isolate and genotype X Uganda 1965 isolate. This immunisation strategy protected most pigs challenged with either Benin or Uganda from both disease and viraemia. Cross-protection was correlated with the ability of different ASFV isolates to stimulate immune lymphocytes from the OURT88/3 and OURT88/1 immunised pigs
机译:非洲猪瘟(ASF)是家猪的急性出血性疾病,目前尚无疫苗。我们表明,对来自葡萄牙的非毒性OURT88 / 3基因型I分离株进行实验性免疫,然后对紧密相关的有毒力的OURT88 / 1基因型I分离株进行免疫接种,可以保护非洲免受包括I基因型贝宁97/1的强毒分离株的攻击分离株和基因型X乌干达1965年分离株。这种免疫策略可以保护大多数受到贝宁或乌干达攻击的猪免受疾病和病毒血症的侵害。交叉保护与不同ASFV分离株刺激OURT88 / 3和OURT88 / 1免疫猪的免疫淋巴细胞的能力相关

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