Coronavirus vaccine India: Covaxin to be available by early 2021, says AIIMS doctor  | The Times of India

Trials for the indigenous vaccine are being conducted and profiled pan India. In phase I, nearly 350 volunteers were recruited and now, in the second phase, another 300-400 volunteers will be dosed with the experimental vaccine, developed out of an inactive virus strain.

An inactivated vaccine, like Covaxin, works by eliciting an immune response, building fighter antibodies which kill the virus without compromising on other vital functions.

Phase II, which will test the vaccine on the sample population will also be a randomized controlled blind trial, which will be done to monitor crucial safety, reactogenicity, immune and tolerance response of the vaccine.

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