1887

Abstract

Antibodies for influenza haemagglutinin and neuraminidase are assayed routinely in haemagglutination-inhibition (Hirst, 1942) and neuraminidase-inhibition (Ada, Lind & Laver, 1963) tests which involve reaction systems of three components. More recently, influenza antibodies have been detected by gel immuno-double-diffusion tests with influenza viruses disrupted by detergents (Styk & Hanna, 1966; Schild & Pereira, 1969). Although the latter method has the advantage that it detects antibodies for each of the major antigens of the virus in a single test system (Schild 1972; Schild, 1972) the quantitation of antibody is not readily achieved. In the present report we describe a quantitative, single-radial-diffusion test which is a sensitive, rapid and convenient method for the estimation of antibodies to the haemagglutinin and neuraminidase antigens of the influenza virus. A unique feature of this test is that only one component, the antibody, diffuses during the test; the other component, the antigen in the form of intact influenza virus particles, does not diffuse.

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/content/journal/jgv/10.1099/0022-1317-16-2-231
1972-08-01
2022-01-17
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