Prevalence of antibody to influenza C virus among pigs in Hyogo Prefecture, Japan.

@article{Yamaoka1991PrevalenceOA,
  title={Prevalence of antibody to influenza C virus among pigs in Hyogo Prefecture, Japan.},
  author={Masaoki Yamaoka and Hak Hotta and Masae Itoh and Morio Homma},
  journal={The Journal of general virology},
  year={1991},
  volume={72 ( Pt 3)},
  pages={
          711-4
        }
}
The prevalence of influenza C virus among pigs in Hyogo Prefecture, Japan, was investigated by serological techniques. Out of 240 sera tested, 45 (19%) showed haemagglutination inhibition (HI) to influenza C virus. Pig sera with high HI titres also scored high in neutralization tests and ELISAs. When fractionated by sucrose density gradient ultracentrifugation, the HI/ELISA reactivities corresponded to antibodies of the IgM and IgG classes. Radioimmunoprecipitation tests revealed that some, but… 
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