The new Covid-19 variant is now in Ireland, according to NPHET.
Meanwhile, there has been a further 938 new cases of Covid-19 and 13 additional deaths reported this evening.
300 of the new case are in Dublin, 110 in Cork, 72 in Limerick, 68 in Donegal and 41 in Kildare.
The 14 day incidence rate is now 153 cases per 100,000 people - it was 88 this day last week.
Deputy Chief Medical Officer Dr. Ronan Glynn says the situation is now at its most serious since last March.