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India approves world’s first DNA Covid vaccine

International desk || shiningbd

Published: 14:34, 21 August 2021  
India approves world’s first DNA Covid vaccine

India's drug regulator has approved the world's first DNA vaccine against Covid-19 for emergency use, reports BBC.

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 time, the firm claimed, a Covid-19 vaccine had been tested in young people in India - 1,000 people belonging to the 12-18 age group. The jab was found to be "safe and very well tolerated" in this age group.

The key third phase of clinical trials was conducted at the peak of the deadly second wave of the virus. The vaccine maker believes this reaffirmed the jab's "efficacy against the mutant strains", especially the highly infectious Delta variant.

"I am quite excited about the vaccine because it offers a lot of good potentials. If this jab works, the future of vaccination becomes logistically simpler," said Prof Shahid Jameel, a well-known virologist.

 

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