[Immune structure and rubella incidence in pregnant women in Moscow]

The immune structure of the Moscow City population (mostly, pregnant women) in relation to rubella virus antigen. Specific antihemagglutinins were found in 82%-93% of pregnant women, depending on their age. Examination of sera from 207 pregnant women who had contacts with rubella patients demonstrated clinically manifest rubella verified serologically in 9.2%, and asymptomatic form of rubella in 8.6%. By an immunochemical method (treatment of sera with staphylococca reagent) specific rubella IgM were found in 7 (100%) pregnant women who had experienced clinically manifest rubella, and in 6 (14.3%) pregnant women with asymptomatic rubella.

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