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How COVID-19 Vaccines Work- here is details

At present  two  vaccine, Covishield and Covaxin got approved in India. Both vaccines require two shot in a interval of four weeks.

COVID-19 vaccines ( Covishiled, Covaxin )  help our bodies develop immunity to the virus that causes COVID-19 without us having to get the illness. Different types of vaccines work in different ways to offer protection, but with all types of vaccines, the body is left with a supply of “memory” T-lymphocytes as well as B-lymphocytes that will remember how to fight that virus in the future.

It typically takes a few weeks for the body to produce T-lymphocytes and B-lymphocytes after vaccination. Therefore, it is possible that a person could be infected with the virus that causes COVID-19 just before or just after vaccination and then get sick because the vaccine did not have enough time to provide protection.

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Sometimes after vaccination, the process of building immunity can cause symptoms, such as fever. These symptoms are normal and are a sign that the body is building immunity.

At present  two  vaccine, Covishield and Covaxin got approved in India. Both vaccines require two shot in a interval of four weeks. The first shot starts building protection. A second shot a few weeks later is needed to get the most protection the vaccine has to offer.

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