1,620 new cases of Covid-19 have been confirmed and 12 more people with the virus have died.
There are 498 new infections in Dublin, 203 in Limerick, 89 in Galway, 73 in Cork and 67 in Mayo.
Ireland's 14 day incidence rate is 297 cases per 100,000 people - it was 166 this day last week, Christmas Eve.
490 coronavirus patients are in hospital, of which 42 are in ICU.
Chair of NPHET's Covid-19 modelling advisory group, Philip Nolan, says the rate at which admissions are increasing is extremely concerning.
18 new cases have been confirmed in County Longford today, nine in County Roscommon and five in County Leitrim.