Rubella immunity: comparison of hemagglutination inhibition and radioimmunoassay antibody methods. 1980

R E Harris, and K O Smith, and W D Gehle, and H J Dupuy

A threshold (1:10) rubella antibody hemagglutination inhibition (HAI) titer was obtained for 288 of 6537 (4.4%) obstetric patients. Random sera from 84 of these patients were compared for rubella antibody by both HAI and a very sensitive radioimmunoassay (RIA) technique. By RIA, 17% of the sera had no detectable rubella antibody, suggesting that those patients were truly susceptible to rubella. In addition, 8 of 55 paired prevaccine and postvaccine sera with titer increases demonstrated by HAI were analyzed by RIA. Seven of the 8 prevaccine sera were shown to have no rubella virus antibody by RIA, and RIA showed seroconversion in all 8 postvaccine sera.

UI MeSH Term Description Entries
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011863 Radioimmunoassay Classic quantitative assay for detection of antigen-antibody reactions using a radioactively labeled substance (radioligand) either directly or indirectly to measure the binding of the unlabeled substance to a specific antibody or other receptor system. Non-immunogenic substances (e.g., haptens) can be measured if coupled to larger carrier proteins (e.g., bovine gamma-globulin or human serum albumin) capable of inducing antibody formation. Radioimmunoassays
D005189 False Positive Reactions Positive test results in subjects who do not possess the attribute for which the test is conducted. The labeling of healthy persons as diseased when screening in the detection of disease. (Last, A Dictionary of Epidemiology, 2d ed) False Positive Reaction,Positive Reaction, False,Positive Reactions, False,Reaction, False Positive,Reactions, False Positive
D005260 Female Females
D006385 Hemagglutination Inhibition Tests Serologic tests in which a known quantity of antigen is added to the serum prior to the addition of a red cell suspension. Reaction result is expressed as the smallest amount of antigen which causes complete inhibition of hemagglutination. Hemagglutination Inhibition Test,Inhibition Test, Hemagglutination,Inhibition Tests, Hemagglutination,Test, Hemagglutination Inhibition,Tests, Hemagglutination Inhibition
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000914 Antibodies, Viral Immunoglobulins produced in response to VIRAL ANTIGENS. Viral Antibodies
D012409 Rubella An acute infectious disease caused by the RUBELLA VIRUS. The virus enters the respiratory tract via airborne droplet and spreads to the LYMPHATIC SYSTEM. Measles, German,Three Day Measles,German Measles,Measle, Three Day,Measles, Three Day,Rubellas,Three Day Measle
D012412 Rubella virus The type (and only) species of RUBIVIRUS causing acute infection in humans, primarily children and young adults. Humans are the only natural host. A live, attenuated vaccine is available for prophylaxis. Measles Virus, German,German Measles Virus

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