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  • Title: Detection of poliovirus antigens and antibodies: microindirect haemagglutination and haemagglutination inhibition tests for poliovirus types I, II, and III.
    Author: Esposito JJ.
    Journal: Microbios; 1976; 16(63):29-36. PubMed ID: 194134.
    Abstract:
    Microtitre indirect haemagglutination (IHA) and IHA-inhibition (IHAI) procedures were adapted to determine the reactivities of type I, II, and III poliovirus antibodies and antigens. Glutaraldehyde-fixed sheep erythrocytes were sensitized for these tests with concentrated, partially purified preparations of type I, II, and III poliovirus. Antibody titres by IHA were generally 10 to 100 times greater than serum microneutralization (SN) titres. The SN and IHA reactivities of three kinds of sera were compared. Of these sera, virus type specific antibodies, in monospecific guinea pig sera one week after immunization and in sera from hyperimmunized horses, could be readily differentiated and measured; antibodies in human diagnostic specimens, however, showed some intertypic cross reactivity. Monovalent one-week immune guinea pig sera reacted specifically in the IHAI test to differentiate viruses, and could be used for virus typing and differentiating strains of poliovirus type III.
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