A public health expert has said that overseas travel is one of the biggest Covid-19 threats and there needs to be an all-island approach to the issue.
Professor Gabriel Scally's comments come as a further easing of coronavirus restrictions comes into effect in Northern Ireland today.
This includes the removal of requirements for people to self-isolate after travelling to Northern Ireland from more than 50 low to medium risk countries.
The Stormont Executive signed off on the decision yesterday. The list of countries involved includes the Republic of Ireland, Italy, Spain, France and Germany.