A further 13 countries have been added to the list of "high-risk" countries.
A leading immunologist has urged the government to "get on top of" travel restrictions to keep new Covid variants out of the country.
A further 13 countries - including Argentina, Colombia and Venezuela - have been added to the list of "high-risk" countries.
There are now a total of 33 countries on it - and anyone arriving from those places has to self-quarantine for 14 days.
Mullingar's Kingston Mills, an immunology professor at Trinity College Dublin, says strict travel rules are crucial:
Ticket Prices Set To Rise For National Ploughing Championships
Taoiseach Warns Of Threats To Energy And Communication Cables
Irish Farmers To Join EU-Wide Protest In Brussels
Four Men Released Without Charge After Midlands Prison Assault Arrests
Community Mourns Mary Holt As Colleagues Lead Funeral Procession In Edenderry
Calls Grow For 24 Hour Garda Station In Edenderry After Arson Attack
Appeal Date Set For Jozef Puska Over Murder Of Ashling Murphy
Offaly Town Demands Meeting With Garda Commissioner And Justice Minister
Ireland’s First Kidney Pancreas Transplant Recipient Dies Aged 68
Quality Of Life To Drive Offaly’s Appeal For Foreign Investment - Anna Marie Delaney
Hundreds Of Mourners Gather For Tadgh Farrell's Funeral
Dancing With The Stars ‘A Once In A Lifetime Opportunity’ - Rose Of Tralee
Uisce Éireann To Submit €6b Water Project Plan
Pedestrian Killed In Midlands Crash
Maura Higgins Set For Traitors US
Man Taken To Hospital Following Alleged Westmeath Assault
Osteoarthritis Programme Launched At Midlands Hospital
Laois County Fire And Rescue Service Welcomes Two New Fire Appliances
Offaly TD Welcomes New IDA Ireland Investment