It was the results of a Scottish survey published a couple of weeks ago.
Also cited by Germany and France as their reason for reversing their previous opposition to the policy of a delayed second dose.
Covered extensively in the Irish media at the time.
Ironically the much-maligned AZ jab performed even better than the previous gold standard Pfizer.
A single shot of either the Oxford-AstraZeneca or Pfizer jab cuts the chance of needing hospital treatment by more than 90 per cent, 'real world' results from the NHS show.
www.dailymail.co.uk