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应用ELISA法筛选巨细胞病毒（CMV）IgG效价≥1：30000的人血浆，合并后，按低温乙醇法精制出高效价CMV－IgG。经小规模人体应用观察无不良反应，且有71．4％（50／70）的CMV－IgM或CMV-IgA阳性人的血清转阴。
The human plasma of cytomegalovirus (CMV) IgG titer≥1: 30000 was screened by ELISA. After the combination, high titer CMV-IgG was purified by low temperature ethanol method. Adverse reactions were observed on a small-scale human application and sera were negative in 71.4% (50/70) of CMV-IgM or CMV-IgA positive individuals.