[Study of the correlation between neutralization tests and hemagglutination inhibition tests in determinations of mumps virus antibodies].

In order to find out possibilities of wide application of the hemagglutination-inhibition (HI) test for determination of antibody to mumps virus, correlations between neutralization test (NT) and HI test was studied. Antibody to mumps virus was detected by parallel titrations of sera and gamma globulins in HI and NT tests in two experimental series each of which used various modifications of these tests. Statistically significant strong correlation was established between these tests.