Their clash with Scarlets tomorrow has been cancelled as a result.
Ulster's players and staff are set to undergo a round of PCR testing for COVID-19 today.
Four of the northern province's squad have tested positive for coronavirus - and Saturday's match against the Scarlets has been cancelled.
Scarlets have been awarded four-points from the fixture and Ulster CEO Jonny Petrie says calling off the game was the right decision.
Offaly SFC: Second Round Poses Interesting Ties
The first game of the weekend gets underway this evening.
Laois SHC: Rosenallis Defeat Ballyfin
The second round continues this evening.
Shane Dunne Aiming To Win Fourth MMA Title
The Offaly fighter is a three time MMA Champion.
Laois One Win Away From All-Ireland Final
The O'Moore County face Kerry tomorrow.
Shane Lowry In Contention At Open Championship
The Offaly man is currently three shots off the top.
Ronan Deegan Gearing Up For Fourth Professional MMA Fight
The Offaly fighter is in action in Cork this weekend.
Laois SHC: Ballyfin And Rosenallis Clash In Round Two
Both sides were beaten in their opening games.
World Cup: Argentina Leave It Late To Break English Hearts
Argentina will now face Spain in Sunday's final.
Westmeath SHC: Castletown Geoghegan And Clonkill Renew Rivalry
The second round takes place this weekend.
Stuart Grehan Looking Forward To Open Championship
The Amateur Champion tees off just after noon.
Sean O'Connor Is A Top Coach - Gordon Brett
Athlone Town appointed O'Connor as First Team Coach yesterday.
Casey O'Gorman Endures Tough Weekend In Germany
Brian Uriarte was the overall winner of the race on Sunday.
World Cup: Spain See Off France To Book Final Spot
They'll face either England or Argentina in the final this Sunday.
Shane Lowry Relishing Open Championship Week
The Offaly man was the winner in 2019.
Sean O'Connor Appointed Athlone Town Manager
O'Connor takes over from Ian Ryan.
Offaly SHC: St Ryangh's Aiming To Keep Momentum Going
Arien Delaney's side were four point winners over Birr on Sunday.
Westmeath Father And Son Fly The Flag For Italy At GAA World Games
The GAA World Games take place this week.
Laois SHC: Rathdowney Errill Hold Out For Win Over Ballinakill
Ballinakill rallied late on but couldn't salvage a draw.
Paul Loonam Set To Fight In September
The Offaly man will take on Rudy Farrell.
Offaly SHC: Tullamore Secure Big Win Over Shinrone
Shane Dooley finished the game with 1-14.
