TLS Online TPP Program

#Question id: 1851


Which of the following is a feature of a Salmonella-based vaccine expressing antigens from other infectious agents?

#Unit 4. Cell Communication and Cell Signaling
  1. Immunity is limited to the gut

  2. Only secretory IgA is elicited

  3. It does not invade the mucosal lining of the gut

  4. It provokes both oral and systemic immunity