China`s vaccine falls short of Western-set standard
(World News Brazil)

Efficacy questions about Sinovac Biotech`s Covid-19 vaccine are rising as shots are shipped to countries across the developing world for mass inoculation campaigns. Indonesia has joined Brazil in revising downwards earlier estimates of the Sinovac-produced CoronaVac`s effectiveness after reviewing findings from final-stage clinical trials. Indonesia`s state-owned drugmaker Bio Farma, a party to the trials, said last December that CoronaVac was as much as 97% effective when the nation took delivery of the first consignment of 1.2 million doses. As questions were raised about the Chinese drug`s high efficacy rate, Sinovac clarified that the figure referred to the positive conversion rate of...