Canine parvovirus type 2 (CPV2) is a highly contagious virus that causes acute gastroenteritis in domestic dogs
CPV2 is a non-enveloped, single-stranded DNA virus belonging to the Parvoviridae family and genus Parvovirus, along with feline panleukopenia virus (FPLV) and other parvoviruses of carnivores
Since the original type CVP2 was discovered, several antigenic variants--CPV2a, CPV2b, and CPVc