The embattled AstraZeneca COVID-19 vaccine came under further pressure on Wednesday, as the European Union’s medicines regulator found a possible link between the shot and rare cases of blood clots, while the United Kingdom announced it would offer young people…

The delivery of vaccines to developing countries through the UN-backed COVAX programme could be pushed back by weeks. The delay comes after India put a hold on exports to prioritise its own vaccination campaign as infections rise. The director-general of…

France, Germany, Spain and Italy have joined several other European countries in suspending use of the AstraZeneca vaccine after reports emerged of blood clots in people who had been inoculated on the continent. But World Health Organization (WHO) and the…

Ireland has temporarily suspended the rollout of the AstraZeneca coronavirus vaccine following reports of blood clots in adults who received the shot in Norway. Irish health minister Stephen Donnelly said in a tweet on Sunday the decision was “based on…

The world’s first study into mixing and matching different COVID-19 vaccines is underway in the UK. The trial will examine the best dosing schedule for both the Pfizer and AstraZeneca injections to give maximum immunity. Al Jazeera’s Charlie Angela reports…

The European Union’s vaccination plans have been disrupted by supply delays. Both AstraZeneca and Pfizer-BioNTech announced they would fall short of their promised deliveries. EU ministers have warned they may restrict vaccine exports from the bloc, as vaccines in the…