The five-day moving average of new cases has risen by 34 per cent in the past week
The HSE says the demand for Covid-19 tests has increased by up to 11 per cent in the space of a week.
About 100,000 tests have been taken in the past seven days - with high demand in Waterford, Carlow, Cork city and north Dublin.
The five-day moving average of new cases has risen by 34 per cent in the past week, and now stands at 1,578.
The HSE's head of testing and tracing, Niamh O'Beirne, says more and more people are coming forward for testing.
The number of Covid patients in hospital dropped to 383 last night - after a fall of 17 in the space of 12 hours.
But last night's figure is still 16 per cent higher than a week ago.
44 Covid patients are in University Hospital Limerick - which is the highest in the country.
Tallaght has 38 patients with the virus, while Cork University Hospital has 33.

Cost Motor Insurance Continues To Rise, With Insurance On A Car Now Averaging Over €650
A New Bill To Recognise Unborn Children As Road Crash Victims Launched
Calls To Abolish The Sub-Minimum Wage Rate For Those Under 20
Commander Alex Quigley Report's High Morale Among Irish Troops In Lebanon
Three People Arrested Over Suspected Murder Of William Delaney Released Without Charge
Council Acquired Seven Derelict Properties Through Compulsory Purchase Orders Last Year
Investigations Continue Into Beauty Brands Sephora And Benefit Over Marketing Issues
Parents Association Call For Urgent Action Over "Unsafe" Maynooth School Car Park