Antigenic analysis of classical swine fever virus E2 glycoprotein using pig antibodies identifies residues contributing to antigenic variation of the vaccine C-strain and group 2 strains circulating in China
1. Department of Plant Pathology, Irrigated Agriculture Research and Extension Center, Washington State University, Prosser, WA, 99350, USA 2. Citrus Research and Education Center, University of Florida, Lake Alfred, FL, 33850, USA