The Government is set to approve the addition of India and Iran to the mandatory hotel quarantine list.
Under proposals being considered by the Department of Health, travellers arriving into the State from these countries will be forced to spend at least 12 days in a designated hotel.
Mr Donnelly does not need Cabinet approval to take the step, but it is thought he will nonetheless inform Cabinet colleagues of his intention to expand the list again this morning.
Sources indicated to The Irish Times that several other countries, including Mongolia, may also be included on an expanded list.
There are 71 countries on the Government’s list of designated states deemed to be a high risk for Covid-19 or variants.
It includes several in Africa, South America and Asia but also the United States, Canada and some in Europe. These include France, Italy and Belgium.
Passengers from those countries that do not fall into exempted categories must quarantine in hotels upon arrival in the Republic.
India has reported more than 300,000 cases of Covid-19 for the sixth successive day, in a crisis the WHO has described as “beyond heartbreaking”.
The Indian ambassador to Ireland expressed gratitude for Ireland’s “gesture of solidarity” in sending oxygen supplies to India but warned that his country was in a “grave” situation and still in need of further support.