EMA: Possible Link Between Johnson & Johnson's Coronavirus Vaccine and Blood Clots Being Reviewed

Europe's drugs regulator says four serious cases have been identified in the US, one of which was fatal.

The European Medicines Agency approved the single-shot vaccine for use in Europe last month.

It has not yet been rolled out.

Ireland is due to receive 605,000 doses between now and the end of June, including nearly 41,000 later this month.