There have been 18 new cases of Covid were announced for Donegal, with fewer than five in Sligo and Cavan.
There were no new cases in Leitrim.
Overall nationally, 390 new cases and 11 deaths were reported today.
179 patients were being treated in hospital, 48 of them receiving intensive care.
Professor Emer Shelley, from the Royal College of Physicians, says case numbers vary throughout the country.