Cyrus Poonawalla, Serum Institute of India (SII) chairman, today said that he was not in favour of administering two different Covid-19 vaccines for better efficacy.
Mixing doses of two Covid-19 vaccines is "very wrong", the SII chairman said. Poonawalla, whose firm makes the Covishield vaccine, was speaking to reporters after receiving the Lokmanya Tilak National Award in Pune. "I am against the mixing of two different vaccines.
There is no need to mix two different vaccines," Poonawalla said, when asked about a recent ICMR study that a cocktail of Covishield and Covaxin could generate better immunity. "If cocktail vaccines are administered and if the result is not good, then SII may say that another vaccine was not good, vice versa,