India approves world’s first DNA Covid vaccine Source:Adaderana India’s drug regulator has approved the world’s first DNA vaccine against Covid-19 for emergency use. The three-dose ZyCoV-D vaccine prevented symptomatic disease in 66% of those vaccinated, according to an interim study quoted by the vaccine maker Cadila Healthcare. The firm plans to make up to 120 million doses of India’s second home-grown vaccine every year. Previous DNA vaccines have worked well in animals but not humans. India has so far given more than 570 million doses of three previously approved vaccines – Covishield, Covaxin and Sputnik V. About 13% of adults have been fully vaccinated and 47% have received at least one shot since the beginning of the drive in January. Cadila Healthcare said it had conducted the largest clinical trial for the vaccine in India so far, involving 28,000 volunteers in more than 50 centres. This is also the first ...
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