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Sputnik V, Covishield, Covaxin: What we know about India's Covid-19 vaccines.

With the total case tally of more than 13.5 million cases, India is now only behind the United States which has reported more than 31 million cases. India has so far given more than 100 million doses of two approved vaccines - Covishield and Covaxin. Sputnik V has been given emergency approval to be used in India, the government say the first 100 receivers would be monitored for 7 days and then the rollout will be allowed. Sputnik V uses a cold-type virus,as a carrier to deliver a small fragment of the coronavirus to the body.Safely exposing the body to a part of the virus help it recognise the threat and learn to fight it off, without the risk of becoming ill. After being vaccinated, the body starts to produce antibodies especially tailored to the coronavirus. The second dose of Sputnik V would be given 21 days later which is quite different than the first one. While covaxin Indian is an inactivated vaccine which means that it is made up of killed coronaviruses. The two doses are given four weeks apart. And Covisheild vaccine is made from a weakened version of a common cold virus ,from chimpanzees. It has been modified to look more like coronavirus When the vaccine is injected into a patient, it prompts the immune system to start making antibodies and primes it to attack any coronavirus infection. The second dose is given between 4 and 12 weeks apart.
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