Edible vaccine (e.g.,potatoes, tomatoes, banana etc) are being developed for a range of diseases (e.g., cholera,measles, malaria, hepatitis B, type 1 diabetes etc) and are proposed as a logistically simpler resolution of the [roblem of getting vaccines to those in need in developing countries (Chowdhurt&Bagasra , 2007;Levi,2000).