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近年来，长春生物制品研究所对流行性感冒全病毒灭活疫苗生产工艺进行重大改进，提高了疫苗的质量，按新工艺生产的疫苗各项指标完全符合ＷＨＯ要求。为进一步观察疫苗的人体反应及免疫效果，于２０００年，在江苏溧水县以进口同类疫苗为对照，进行了三价精制流行性感冒灭活疫?
In recent years, Changchun Institute of Biological Products significant progress in the production of influenza virus inactivated vaccine production process to improve the quality of the vaccine, the vaccine produced by the new technology in full compliance with the requirements of WHO indicators. In order to further observe the human body’s response and immune effect of the vaccine, in 2000, Lishui County, Jiangsu Province to import similar vaccines as a control, the trivalent purified influenza epidemic?