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DNA, the essential part of the life is making way in to new vaccine technology. Plasmid vectors from the bacteria have revolutionized the world of vaccine design by its new technology – DNA vaccines. Small portion of the nucleotides from the pathogen held under the control of promoter in a plasmid vector can be used as a vaccine. DNA vaccines alleviate the odds of the other vaccines by having good hold on both the faces of the immunity. The key to the success of DNA vaccine lies in the route of administration of the vaccine which can be done in many ways. Prime boost strategy is an approach used to boost the action of DNA vaccine. To date there are only four DNA vaccine available in the market. [Vet World 2013; 6(4.000): 228-232]