EU's drug regulator backs 'safe and effective' AstraZeneca vaccine

The EU's drug watchdog said on Thursday it is still convinced the benefits of AstraZeneca's Covid-19 vaccine outweigh the risks following an investigation into reports of blood clots that prompted more than a dozen nations to suspend its use.

The European Medicines Agency (EMA) director Emer Cooke said the watchdog could not definitively rule out a link between blood clot incidents and the vaccine in its investigation into 30 cases of a rare blood clotting condition...