Every county bordering Northern Ireland now has a 14-day Covid-19 incidence rate of more than 100.
It comes as the Stormont Executive holds an emergency meeting to discuss potential restrictions.
Donegal, Cavan and Monaghan have the three highest 14-day incidence rates in the country, while Leitrim and Louth have a rate of more than 100.
The border counties could move to Level 4 if a six-week lockdown is imposed in Northern Ireland.
Speaking this morning, Health Minister Stephen Donnelly says the Government won't be speculating about what could happen in the North: