The country's five-day moving average of Covid-19 cases has risen by 89 percent in the past week.
It's grown to 1,101 after 1,179 new cases were confirmed by the Department of Health yesterday.
91 people are being treated in hospital, while 22 patients were in intensive care.
Mayo University Hospital remains the highest in the country with 16.
There are six cases in Sligo University and three in Galway University Hospital.
DCU Professor of Health Systems Anthony Staines says if there are too many cases those at 'high risk' who are vaccinated could get infected.