Four Covid-19 vaccines – those from Pfizer, Moderna, AstraZeneca and Johnson & Johnson – are currently available for use in Ireland, following their authorisation by the European Medicines Agency. With concerns about rare side effects of the AstraZeneca and Johnson & Johnson vaccines, and extra supplies of the Pfizer vaccine now due, it will also be given to people under 60. Rare side effects Rare blood clots mainly in those under 50 (one in 100,000 people). Rare side effects Rare blood clots – one case per million doses – have been detected among people vaccinated in the United States. At that point the company paused its rollout of vaccines to Europe following the detection of those very rare side effects in the US.

Source: The Irish Times April 26, 2021 04:52 UTC