Dublin has been classed as an 'increased risk' area for Covid-19 infection by German authorities.
The change was made due to the recent increase of cases in the capital.
Passengers arriving into a German airport from Dublin must now take a Covid-19 test and isolate until they get the results.
NPHET meeting
Health officials will meet today amid growing concerns over the rise in coronavirus cases.
The National Public Health Emergency Team is particularly concerned about Louth, Waterford and Donegal, where a third of recent cases are among 15 to 24 year-olds.
234 new cases were recorded yesterday, 103 of them were in Dublin. While a further two deaths were confirmed nationally.
Acting Chief Medical Officer Ronan Glynn says we should all choose a small number of people to socialise with in the coming weeks;
"Go to your football match but then don't go the pub. Or go to the pub but don't go to the football match. Bring your children to the playground but don't bring your children to your neighbours house down the road" he said.
"These are choices we all have to make, we can't have everything that we had eight months ago."
Dr Glynn also warned it's not the time for house parties, big communion celebrations or large family gatherings.
ICU admissions
NPHET says there is also a "worrying" number of people being admitted to intensive care with Covid 19.
One to two new admissions are being seen every day, and a rising number are under the age of 45.
