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Using
DNA
recombination biotechnology, natural or synthetic genetic material is directed into bacteria,
yeasts
bacteria or mammalian cells for full expression and purification of the vaccine. Using
genetic
engineering techniques can produce sub-unit vaccines free of infectious substances, stable detoxification vaccines and multi-priced vaccines that can prevent a wide range of diseases. Such as the encoding of hepatitis B surface
antingen
gene inserted into yeast
genomics
to make DNA recombinant hepatitis
B vaccine
;