A further 9 people with COVID-19 have died in the Republic.
37 new cases have been confirmed.
It brings the total number of deaths to 1615 - the total number of confirmed cases now stands at 24,735.
There's no change to the number of cases in Waterford, as of midnight on Sunday there were a total of 151 confirmed cases since the outbreak began.
Dr. Tony Holohan, Chief Medical Officer, Department of Health, said; "As of midnight Monday 25 May, 325,795 tests have been carried out. Over the past week, 30,169 tests were carried out and of these 633 were positive, giving a positivity rate of 2.1%.
"NPHET will meet on Thursday 28th May where further consideration will be given to broadening the case definition."