NPHET is asking people over 70 to stay away from people outside “a very small core group” of family, carers and friends.
613 more people have tested positive for the virus, a level of new infection not seen since mid-April; 58 of the new cases are in Donegal and 7 in Sligo.
Ten more patients have also been reported dead, though eight of those cases date back at least a month.
Close to three and a half thousand people have tested positive for Covid-19 on the island of Ireland in the last three days.
Professor of Health Systems at DCU, Anthony Staines, says Dr Ronan Glynn’s advice to older people isn’t going to do enough.
