title: Quantitation and analysis of the specificity of post-immunization antibodies to influenza B viruses using single radial haemolysis.
abstract: The single radial haemolysis (SRH) technique detected anti-B/HK/8/73 HA antibody rises in 59-85% of paired sera from persons immunized with different influenza vaccines. In contrast, analysis of the same sera by the haemagglutination inhibition (HI) test indicated significant antibody rises in only 27-54% of paired sera. High levels of antibody were detected to influenza B/HK/8/73 and B/Singapore/222/79 viruses in post-immunization sera analysed by SRH, whereas the HI test indicated comparatively low geometric means antibody titres. Most adults responded to immunization with influenza B virus by producing cross-reactive (CR) antibody which reacted with different influenza B viruses including the early isolate B/Lee/40.
mesh_terms: D000328:Adult; D000914:Antibodies, Viral / Q000032:analysis*; D000918:Antibody Specificity; D003429:Cross Reactions; D006385:Hemagglutination Inhibition Tests; D006462:Hemolytic Plaque Technique; D006801:Humans; D007251:Influenza, Human / Q000517:prevention & control; D009975:Orthomyxoviridae / Q000276:immunology*; D014611:Vaccination
chemical_list: D000914:Antibodies, Viral