News Snapshot:
A worker performs a quality check at Sinovac’s packaging facility. Photo: Reuters Coronavirus pandemic: All stories China / Science Coronavirus: Scientists concerned by way data from Chinese drug firm Sinovac’s vaccine trials is coming out The firm’s Brazilian partner the Butantan Institute has promised to disclose more information after it claimed the drug had a 78 per cent efficacy rate But researchers question the figure and ask why the Chinese pharmaceutical company has not commented publicly on the trial results
