Evidence for recombination between PCV2a and PCV2b in the field.

  title={Evidence for recombination between PCV2a and PCV2b in the field.},
  author={R. Hesse and Maureen A. Kerrigan and Raymond R. R. Rowland},
  journal={Virus research},
  volume={132 1-2},
Genomic sequence analysis demonstrates that porcine circovirus type 2 (PCV2) isolates are divided into distinct genotypes. Historically, swine herds in the U.S. have been infected with the PCV2a genotype. In 2005, PCV2b was identified in North America and with it increased reports of porcine circovirus disease (PCVD). A differential PCR technique incorporating PCV2 genotype-specific primers was used in the clinical diagnosis of PCVD. A set of 97 diagnostic submissions showed that both PCV2a and… CONTINUE READING

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