The Chief Medical Officer says the next 7 to 10 days will be "crucial" for knowing when the coronavirus will be at its peak in Ireland.
Another 424 new cases were confirmed last night, bringing the total to 4,273.
A further 22 people with the virus have died, with the death toll now standing at 120.
18 of them were in the east, 3 in the south and 1 in the west of the country.
The number of cases in Mayo has increased to 55.
The number of confirmed cases in Galway is 98, there are 26 in Sligo and 13 in Roscommon.
Chief Medical Officer, Dr Tony Holohan, says next week will be key for tracking the growth of Covid 19: