The European Medicines Agency (EMA) said on Wednesday that blood clots should be listed as a "very rare" side effect of the AstraZeneca vaccine against Covid-19.
Read also: A lead to explain the rare thromboses linked to the AstraZeneca vaccine
The EMA has established "a possible link with very rare cases of unusual blood clots with low blood platelets," the Amsterdam-based agency said in a statement, indicating, however, that the benefit / risk balance remains "positive".