The Chief Medical Officer says it shows just how quickly the virus can spread.
Dr Tony Holohan is urging people to remain compliant with restrictions to get levels of the virus as low as possible.
1,414 new cases have been recorded and 79 more people have died.
Guidance on how the AstraZeneca vaccine will be used in Ireland is being finalised this weekend.
DCU Professor Anthony Staines believes it will become the most widely used vaccine here: