There are now 17 clusters of people with Covid-19 in nursing homes, according to the latest figures published on the website of the Health Protection Surveillance Centre.
The figures relate to 1,904 cases analysed up to midnight on Thursday.
There are 16 clusters associated with hospitals, five related to workplaces and three related to residential institutions.
The data also shows that one person aged between 25-34 has died of Covid-19 out of three admitted to ICU.
One person aged between 35 and 44 has also died out of six ICU admissions, one person between 45 and 54 has died out of 18 admissions to ICU and one person aged between 55 and 64 died out of 15 admitted to ICU. 29 people aged over 65 died. Not all of them were admitted to ICU.
The data shows three children under five were hospitalised with Covid-19 up to midnight on Thursday along with three children between five and 14. One of the older children was admitted to ICU.
No deaths have been reported in anyone under 24.
The data on the website shows that more than 1,000 people were infected with Covid-19 in Ireland. 63 were infected in the UK, 61 in Italy, 48 in Austria and 26 in Spain.
There is increasing concern about the number of clusters in nursing homes.
Minister for Health Simon Harris will meet Nursing Homes Ireland tomorrow to discuss issues in the sector.
The National Public Health Emergency Team will discuss supports that can be given to nursing homes and measures that should be taken, when it meets on Tuesday.
Of the 10 patients who died, eight were male and two were female.
There are now 2,615 confirmed cases of Covid-19 in the Republic.