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What are the recombinant DNA vaccines? G...

What are the recombinant DNA vaccines? Give two examples of such vaccines. Discuss their advantages.

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(i) Vaccines produced by genetic engineering (or recombinant DNA technique) are called recombinant DNA vaccines or second generation vaccines.
(ii) Examples:
(a) Hepatitis-B vaccine produced from transgenic yeast and is effective against hepatitis.
(b) Spf 66 vaccine produced from Plasmodium falciparum against malaria.
(c) Anthrax vaccine.
(iii) By recombinant DNA techniques, the vaccines can be produced on larger scale so providing greater availability for immunisation.
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