Sort the following steps for the production of edible vaccines for a disease.

• The disease causing gene from the human pathogen is identified and isolated.
• It is then inserted into a plant virus.
• This virus with the disease causing gene is allowed to multiply and infect the potato plant.
• As a result the gene gets transferred to the potato plant. The potato from the plant when consumed will deliver the antigen and creates an immune response (gene expression).
• As a result the person gets vaccinated.