There's been no advice on changing the interval period for the Pfizer and Moderna Covid-19 vaccines, according to the Acting Chief Medical Officer.
The Government is believed to be considering extending the gap between the first and second doses from four weeks to between six and eight.
Some experts claim it would give the country the ability to give 80 percent of adults a first dose by the end of May.
Dr Ronan Glynn says officials are waiting to see what happens with the Johnson and Johnson vaccine
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