Covid-19 roundup: Sino­vac pulls back from a promised PhI­II da­ta re­veal, rais­ing ques­tions about ef­fi­ca­cy

Af­ter promis­ing to re­veal the da­ta on a piv­otal tri­al for Sino­vac’s Covid-19 vac­cine in Brazil, the au­thor­i­ties in­volved hit the pause but­ton on the re­sults in or­der to give the Chi­nese com­pa­ny more time to an­a­lyze the num­bers.

All they will say at this point is that the vac­cine is more than 50% ef­fec­tive, the min­i­mum lev­el that’s been set for an ap­proval. Of­fi­cials at Brazil’s Bu­tan­tan In­sti­tute said, though, that Sino­vac wants to run the num­bers out of Turkey and In­done­sia as well.

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