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The second wave of coronavirus highlighted not just the unpredictability of the SARs-COV-2 virus but also emphasized on the importance of COVID vaccines. As of now, apart from locally manufactured Bharat Biotech’s Covaxin and Oxford-Astrazeneca’s Covishield, the Drug Controller General of India (DCGI) has given emergency use authorization to Russia-made Sputnik V and Moderna vaccine.