Iain Henderson, Chris Henry and Nick Williams have all resumed full training. A decision on whether they will feature against Munster will be taken later in the week.
Johann Muller will be available for selection having been rested for the Leinster match.
Paddy Wallace has a muscle tear in his leg and will be out for up to three weeks.
Rory Best and Tommy Bowe are recovering well from their injuries and continue to be assessed to determine when they will be able to return to play.
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