Magazine date:
Jul 2021 
On 20 August 2021, India's drug regulator has approved the world's first DNA vaccine against Covid-19 for emergency use. It works with plasmids, which are circular DNA molecules that self-replicate. The vaccine is administered in three doses, with 28 days between each dose.
ZyCov-D has been tested in 28 000 volunteers, 1 000 of whom are between the ages of 12 and 18. According to one study, the vaccine is 66% effective in the case of symptomatic disease.
Zydus Cadila, the company that developed this third-generation vaccine, expects to produce 120 million doses per year.
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