Italy, Germany and France have all suspended the use of the AstraZeneca covid-19 vaccine.
The EU countries have taken the temporary measure following a handful of reports that patients who'd been given a dose developed blood clots.
Those behind the jab insist there's no evidence of an increased risk.
Germany's Health Ministry insists the suspension is a "precaution".
Irish health authorities decided to suspend the use of the AstraZeneca vaccine yesterday morning.
30,000 people aren’t receiving their injection this week as a result.
More than 124,000 AstraZeneca vaccines have been administered in Ireland so far.