People who are fully vaccinated against Covid-19 will be allowed to skip hotel quarantine, and isolate at home, after new advice from the Acting Chief Medical Officer.
Quarantine bookings reopened overnight after capacity was increased to 959 rooms.
18 confirmed cases of Covid-19 have already been isolated in quarantine, four of them "probable variants of concern".
But the embassies of France, Belgium, Luxembourg, Austria and Italy have made a joint protest to the Department of Foreign Affairs.
The European Commission's also confirmed it's opening an inquiry -- and is demanding answers on how officials in Dublin have decided what EU states are on the list.
