发明名称 |
UN METODO DE OBTENER UNA CEPA DE VIRUS DE LA GRIPE. |
摘要 |
<p>A recombinant influenza virus strain derived from (a) an over-attenuated influenza A strain which has been passaged solely in chicken egg cultures, manifests a relatively high yield of virus in such cultures and has an increased capacity for plaque formation on calf kidney cells and (b) a virulent influenza A strain which manifests a relatively low culture yield of virus and is substantially free from contaminating mammalian viruses; a method of manufacturing the recombinant strain and a vaccine incorporating it.</p> |
申请公布号 |
ES432385(A1) |
申请公布日期 |
1977.06.16 |
申请号 |
ES19850004323 |
申请日期 |
1974.11.28 |
申请人 |
THE WELCOME FOUNDATION LIMITED;NATIONAL RESEARCH DEVELOPMENT CORPORATION |
发明人 |
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分类号 |
C12N7/00;A61K39/145;(IPC1-7):12K/ |
主分类号 |
C12N7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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