What is "circovirus"

n. Any of several viruses, of the genus (taxlink Circovirus genus noshow=1), that mostly affects birds or pigs

Circovirus is a genus of viruses, in the family Circoviridae. Birds (such as pigeons and ducks) and pigs serve as natural hosts, though dogs have been shown to be infected as well. There are currently 11 species in this genus including the type species Porcine circovirus-1. Diseases associated with this genus include: PCV-1: non pathogenic PCV-2: postweaning multisystemic wasting syndrome (PMWS).