If you don’t carry valid proof of vaccination or the EU Digital Covid Certificate when you arrive in Ireland from a country to which the emergency brake hasn't been applied, you will need to:
A mandatory 14 day hotel quarantine is only required if you arrive in Ireland without proof of vaccination from a country to which the emergency brake mechanism has been applied.
The EU will apply an 'emergency brake' mechanism to countries where Covid-19 and/or variants of concern are becoming widespread.
If you arrive in Ireland from a country to which this mechanism has been applied, you will have to undergo some form of quarantine. This will be dependent on your vaccination status.
The emergency brake mechanism will be continually assessed by the EU based on the spread of variants. All relevant updates will be posted here. Confirmed 2021 guests will be notified directly of major changes.
Read the official Irish government advice on travelling to Ireland during the pandemic