Porcine circovirus (PCV2)

The challenge of Porcine Circovirus type 2 (PCV2) intra-specific taxonomic classification

Three months pigs with PCV2-SD. Note the marked spine, indicative of growth retardation, and body pallor

All available vaccines in the European and North-American market are based on PCV2a genotype, while the most prevalent ones are PCV2b and PCV2d ones. Although significant level of cross-protection among these three genotypes has been demonstrated, it would be interesting to assess if vaccine efficiency would be equivalent in front of all these different genotypes.

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