Neighbor-joining unrooted tree based on the VP7 amino acid sequences of the following porcine GCRVs described in this study and reference strains: the porcine (Po) strains Cowden, WH, 118-05-4, 118-05-27, and 118-05-18; the bovine (Bo) strains Shintoku and Yamagata; the porcine strain HF; the human (Hu) strains OK450, Preston, Belem, BCN21, Moduganari, and Jajeri; the porcine strain 134-04-18; and the porcine strains 43-06-16, 134-04-2, 43-06-22, and 344-04-7.