"No Need To Mix 2 Different Vaccines": Serum Institute's Cyrus Poonawalla Posted By: Unknown 11:53 Leave a Reply Serum Institute of India (SII) chairman Dr Cyrus Poonawalla today said he is not in favour of administering two different coronavirus vaccines for better efficacy. from NDTV News - Latest https://ift.tt/3scYblW Tweet Share Share Share Share
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