Such localization avoids degradation of antigens by Appl Microbiol Biotechnol proteases present in the gastrointestinal tract, and it also makes them available to the immune system of the host only after lysis of the carrier strain cells
Such localization avoids degradation of antigens by Appl Microbiol Biotechnol proteases present in the gastrointestinal tract, and it also makes them available to the immune system of the host only after lysis of the carrier strain cells