The European Commission earlier this month proposed a common traffic light system for EU member states to coordinate border controls and remedy the current, confusing patchwork of coronavirus restrictions on travellers across Europe.

"I think you'll see the vast majority of Europe and UK returned into a green zone and then it'll be up to the individual health authorities to follow up on track and tracing them," Wilson told Ireland's RTE radio.

(Reporting by Conor Humphries; Editing by Toby Chopra)