Edible vaccines

Explanation

(i) Edible vaccines are given as food by incorporating them in food stuff.
(ii) Work on production of edible vaccines is in progress and presently, potatoes are being produced with the help of biotechnology.
(iii) These potatoes are called as transgenic potatoes.
(iv) These potatoes will act against bacteria like vibro cholerac , escherichia coli.
(v) Consumption of these raw potatoes generates immunity against cholera and the diseases due to E-coli.