India now has the third Covid-19 vaccine in its armor, with the DCGI giving a go ahead to Sputnik V for emergency use in the country.
Sputnik V joins Bharat Biotech’s Covaxin and Oxford-AstraZeneca’s Covishield — at a time when there is a worrying spike in cases across India.
We'll break down for you what each vaccine is and how they work.
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