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. 1974 Aug;10(2):375–380. doi: 10.1128/iai.10.2.375-380.1974

Differences in Acute and Convalescent-Phase Antibodies of Cats Infected with Feline Picornaviruses

Richard G Olsen 1, Donald E Kahn 1, Edward A Hoover 1, Nancy J Saxe 1, David S Yohn 1
PMCID: PMC415008  PMID: 4211925

Abstract

Complement fixation inhibiting and complement-fixing antibodies were demonstrated in sera from cats during the acute and convalescent stages, respectively, of feline picornavirus infections. Complement-fixing antibody activity was present in 19S and 7S globulins, whereas complement fixation inhibiting antibody activity was confined to the 7S globulins. Sera with complement-fixing antibody and sera with complement fixation inhibiting antibody were also shown to have neutralizing and precipitating antibodies. In a study of antibody responses to homotypic and heterotypic strains of feline picornavirus, less serological cross-reactions were observed between strains of feline picornavirus in sera from cats in the acute phase of feline picornavirus infection than in the convalescent phase. The temporal relationship of complement fixation inhibiting and complement-fixing antibody responses of cats after acute viral respiratory infections is contrasted with previously observed antibody response in cats to feline leukemia virus.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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