Thursday, the European Medicines Agency (EMA) announced that the Oxford-AstraZeneca COVID-19 vaccine is 'safe and effective' and 'not associated' with a higher risk of blood clotting.

EMA director Emer Cook said in a video conference that the committee has reached a ‘clear scientific conclusion’ that it is safe and effective. 

She added that ‘We still cannot rule out definitively a link between these cases and the vaccine’ but it has 'not associated with a higher risk of blood clots.'