With the Drug Controller General of India (DCGI) approving Serum Institute of India's 'Covishield' vaccine and Bharat Biotech's 'Covaxin' for emergency use, paving way for their roll-out and administration to millions, Russian Sputnik V vaccine makers have said that they are working with AstraZeneca (AZ) to take the efficacy of AZ vaccine to over 90 per cent.from World News Headlines, Latest International News, World Breaking News - Times of India https://ift.tt/3oeDiUT
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