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鸭甲肝病毒III型弱毒株及由其制备的活疫苗和应用

申请公布号:CN104498441B

申请号:CN201410707329.1

申请日期:2014.11.28

申请公布日期:2017.03.01

申请人:
哈药集团生物疫苗有限公司

发明人:藏玉婷;丁国杰;王彬;宋扬;孙德君;李来旭;李鑫;张春媛;于洪涛;孙凯;刘远仓;张祎;张凤强

分类号:C12N7/00(2006.01)I;C12N7/08(2006.01)I;A61K39/29(2006.01)I;A61P31/14(2006.01)I

主分类号:C12N7/00(2006.01)I

代理机构:
北京思元知识产权代理事务所(普通合伙) 11598

代理人:余光军

地址:150069 黑龙江省哈尔滨市香坊区哈平路277号

摘要:本发明公开了鸭甲肝病毒III型弱毒株及由其制备的活疫苗和应用,属于鸭甲肝病毒毒株的分离及应用领域。本发明首先分离了一株鸭甲肝病毒III型毒株JS株,其微生物保藏编号为:CGMCC No.6852;本发明将该毒株经传代致弱选育得到一株性状稳定的鸭甲肝病毒III型弱化毒株JS57株,其微生物保藏编号为:CGMCC No.9708。本发明进一步公开了利用所述鸭甲肝病毒III型弱化毒株制备预防鸭肝炎活疫苗的方法。本发明制备的鸭甲肝病毒活疫苗免疫保护效力高,免疫后的鸭只能获得有效的免疫保护,且安全性好、安全范围宽。

主权项:一株由鸭甲肝病毒(duck hepatitis A virus)III型毒株JS株连续传代选育得到的弱化毒株JS57株,其特征在于,其微生物保藏编号为:CGMCC No.9708。

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