Figure 1From: Attenuated Salmonella typhimurium delivering DNA vaccine encoding duck enteritis virus UL24 induced systemic and mucosal immune responses and conferred good protection against challengeA schematic diagram of the construction of pVAX-UL24 and pVAX-LTB-UL24. A schematic diagram of UL24 gene cloned into the pVAX-1 vector and a schematic diagram of LTB gene cloned into the recombinant plasmid pVAX-UL24.Back to article page