Previously the EMA said there was no evidence that the vaccine caused the clotting incidents. Photograph: EPA

The European Medicines Agency has concluded that unusual blood clots are a rare side effect of the AstraZeneca Covid-19 vaccine, but that the health b(...)

A screen grab of Marco Cavaleri: “But we still do not know what causes this reaction.” Photograph: AFP via Getty Images

The available evidence now indicates a clear link between the AstraZeneca vaccine and rare blood clot events, although in general the benefits of prot(...)

The Irish Medicines Board (IMB) has said people with heart problems using a commonly prescribed painkiller should review their treatment with a doctor(...)