Vaccines are used as protective agents from various diseases. The major reason to prepare vaccines are to digest the macromolecule of proteins in stomach considering of high pH . To overcome this issue a scientist named Arntzen developed the theory of edible vaccines. EVs are developed by genetic technology; in this the genes are introduced directly to the plants in various methods. The developed plant contains coded protein which acts as a vaccine. Purchasing at low cost leads to the prevention of various diseases like malaria, measles, hepatitis B , cholera, HIV and anthrax
Keywords: Edible vaccines, Antigens, Oral immunization, Immunity
