The Health Minister is being accused of mismanaging the country's mandatory hotel quarantine system.
It follows the announcement the booking system has been 'paused' as there aren't enough available rooms to meet demand.
59 countries are currently on the hotel quarantine list, and a further 16 are to be added from tomorrow morning.
Minister Stephen Donnelly has suggested walk-ins are contributing to the capacity issue, and says there will be more beds from Monday.
Ministers will discuss it and issues with the vaccine programme at Cabinet today.
Co-leader of the Social Democrats, Catherine Murphy, says the capacity problem should have been dealt with long before this point: