With more than 721 million doses administered so far, Covishield is India's most widely used vaccine.
source https://www.bbc.co.uk/news/world-asia-india-58647433?at_medium=RSS&at_campaign=KARANGA
source https://www.bbc.co.uk/news/world-asia-india-58647433?at_medium=RSS&at_campaign=KARANGA
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