SVC News

The changing face of PCV: Virus experts compare notes on evolving pathogen in US swine herds

Clinical disease due to porcine circovirus type 2 (PCV2) has been dramatically reduced thanks to vaccination, but concern remains about the persistence of PCV2 subclinical infection, even in vaccinates, and the virus’s propensity for change. Furthermore, PCV3, a newly identified porcine circovirus that is genetically different from PCV2, is believed to be widespread in US herds and, so far, there’s