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.

Robert Pether Returning To Ireland After Five-Year Iraqi Detention
Over 23,000 Teachers Beginning Industrial Action Today
New Funding Announced For Youth Services And Counselling In Kildare On World Mental Health Day
Jury In Triple Murder Trial Of Louth Family Sent Home
Appointment Cancellations Expected As Strikes To Take Place Next Week
Families Face Delays Arranging Funerals Amid Pressure On Post-Mortem Services
Media Minister Says Meeting With RTÉ Was "Positive" Amid €20M Funding Cut
Man (51) Accused Of Healy-Rae Assault Granted High Court Bail