Task: Answer Verification
Input (English): Question: Is bacterial antigen expression an important component in inducing an immune response to orally administered Salmonella-delivered DNA vaccines?
Answer: These findings suggest that prokaryotic expression of the antigen and co-delivery of this protein by Salmonella are at least partially responsible for the successful oral delivery of C-fragment DNA vaccines containing the CMV promoter by S. typhimurium.
Output (English): yes