Keywords Canine coronavirus;Spike protein;Membrane protein;Nucleoprotein;Gene vaccines;Recombinant canine adenovirus type II;Expression;Immunogenicity;

• 犬冠状病毒;纤突蛋白;膜蛋白;核蛋白;基因疫苗;重组犬2型腺病毒;表达;免疫原性;