Arrivals from 58 countries are now subject to mandatory hotel quarantine after the updated list of high-risk states came into operation this morning.
Those travelling to Ireland from places like Israel, Palestine and Andorra must stay in the facilities for 12 nights at their own expense or else run the risk of jail-time or a fine.
Discussions are expected to continue this week on following advice from health officials on adding EU countries and the US to the list, despite opposition from some at the Cabinet table.
People Before Profit TD Paul Murphy believes the public health advice should be followed: