The Chief Medical Officer is urging people with Covid-19 symptoms to stay at home, even if they're vaccinated.
Dr Tony Holohan says there's a risk they could still transmit the virus.
1,015 new cases were confirmed here yesterday evening, while 179 people with Covid are in hospital - that's up 25 percent in a week.
Galway University Hospital has the highest number of Covid-positive patients at present, with 19 being treated at the Galway hospital.
Mayo University Hospital has 17 Covid patients - the third highest nationally - with 12 patients being treated for the virus at Sligo University Hospital
Dr Holohan says outbreaks are occurring from people with symptoms attending workplaces, eating out or visiting friends.