Health officials say a small number of Covid-19 cases linked to travel could see us "running into difficulty" in tackling the virus.
A fifth of new infections in the last week are travel-related, leading to concerns among the National Public Health Emergency Team.
A cabinet sub-committee is due to discuss the issue of foreign travel today, including plans for "air bridges".
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A further five people with Covid-19 have died in the Republic, and there are 15 new confirmed cases.
Dr Tony Holohan says the risks of more people going abroad are clear:
