Objective To observe the adverse reaction and immunogenicity induced by live attenuated measles vaccine prepared with purifiedvirus seeds of Chang-47 strain in infants aged 8 ~ 10 months.
目的观察麻疹长- 47株纯化毒种制备的麻疹减毒活疫苗在8 ~ 10月龄人群中的接种反应及免疫原性。
2
The outer proteins of the virus are then purified and the result is several hundred or thousand liters of purifiedvirus protein that is referred to as antigen, the active ingredient in the vaccine.
这病毒外部蛋白然后被提纯并产生几百到几千毫升的纯化病毒蛋白，作为抗原，是疫苗中的活性成分。
3
As technological research findings will be industrialization, we choose the sucrose density gradient centrifugation as purified method and study the postorder work of purifiedvirus-containing fluids.