Players from Shamrock Rovers, Bohemians, Dundalk and Derry City are to be tested for COVID-19 as the League of Ireland step up plans to a return to action.
All four clubs will represent the league in European competition later this year and are set to play in a mini-tournament behind closed doors in late July.
The tournament is prepare the clubs for their European ties and to act as a test run for the proposed League of Ireland resumption in mid-August.
The rest of the league is due to start testing on the 28th of June ahead of their training ground return the following day.
