All you need to know about 3 dose Zydus Cadila's ZyCoV-D vaccine to be administered to children

The ZyCoV-D vaccine is needle-free and is to be administered intradermally using PharmaJet, a needle-free applicator that ensures painless vaccination. This will help in administering the vaccine to kids. This vaccine will be given in three doses - the second dose administered on day 28 from the first dose and the third ones on day 56 from the first dose.

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As per experts, the ZyCoV-D vaccine uses a section of genetic material from the COVID-19 virus that gives instructions as either DNA or RNA to make the specific protein that the human immune system recognises and responds to.

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The ZyCoV-D doesn't have any problem associated with vector-based immunity because it is a Plasmid DNA vaccine. The Plasmid DNA platform also allows generating new constructs quickly to deal with mutations in the virus.

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Unlike Pfizer and Moderna vaccines that need to be stored at very cold temperatures, the ZyCoV-D vaccine is stored at 2-8 degrees Celsius and has shown good stability at temperatures of 25 degrees Celsius for at least three months. 

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The company has claimed that the ZyCoV-D vaccine is effective against the new COVID-19 variants like the deadly Delta variant. The company plans to manufacture between 100 million and 120 million doses annually and has begun stockpiling them.

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