Measurement of Serum Rubella Antibody Titers in Korean Children, Female Adolescents, and Pregnant Women

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Abstract
IgG antibody titers to rubella virus in serum of 322 nuchal cord blood, 1,473 children, and 1,103 reproductive and pregnant women were detected in Soonchunhyang University Hospital in Korea.Positive rate of IgG antibody to rubella virus was 86.3% (278/322) in nuchal cord blood, 68.0% (991/1,458) in children. The IgG antibody from the mother disappeared between the 7th to 11th month after birth, and then the positive rate increased as age increased.In the reproductive age group including pregnant women, positive rate of IgG antibody was 81.8% (894/1,103). Therefore, it was known that there was a possibility that 18.9% of this group would be attacked with rubella in Korea.