弱毒活疫苗（Modified-live vaccine，MLV），一般认为弱毒活疫苗比灭活疫苗更 有效。美国，Boehringer Ingelheim 公司于199...
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In contrast,natural or experimental infection can induce protection against heterologous challenge,so attenuated live vaccine could complement current vaccines' weak point.
但自然感染或试验感染能够诱导抗异源血清型菌株的感染,因此弱毒活疫苗也许是弥补当前疫苗缺点的一种可行方法。
参考来源 - 胸膜肺炎放线杆菌JL03株的全基因组测序与flp操纵子的结构分析Thus, live attenuated vaccines might be a viable approach to solve this problem.
这样，弱毒活疫苗也许是解决当前商品化疫苗不足的一种可行方法。
参考来源 - 胸膜肺炎放线杆菌血清1型ApxIA N·2,447,543篇论文数据，部分数据来源于NoteExpress
常温耐热型弱毒活疫苗对预防畜禽疾病具有重要作用，对它的研究越来越多，尤其是耐热冻干保护剂。
Hyophilized heat-resisting protector activity vaccines was importance to prevent epidemic diseases of animals, and was studied more and more, especially in hyophilized heat-resisting protector.
本发明还公开了所述基因缺失菌株在制备 支气管败血波氏杆菌基因缺失疫苗（弱毒活疫苗）的应用。
The invention also discloses the application of the gene deleted bacterial strain in preparing the Bordetella bronchiseptica gene deleted vaccine (attenuated live vaccine).
如构建出突变体库，从中筛选出毒力减弱的副猪嗜血杆菌突变菌株，对研制出基因工程弱毒活疫苗具有重要意义。
So it's has great significance to construct the mutant storehouse and slecte the toxicity weak Hps mutant strain for developing the genetic engineering attenuated vaccine.
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