Crusaders players may have been in contact with a Sydney University player who tested positive to Covid-19.
The Sydney University forward tested positive to coronavirus after leaving New Zealand, where the side faced the Crusaders Development XV in Lincoln.
However, Crusaders boss Colin Mansbridge says the risk that any player from the Super Rugby side may have been exposed to the virus is low as the Sydney player in question tested positive "many days" after returning to Australia.
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"Our advice is because he was asymptomatic for many days before he developed symptoms, he's more than likely been infected in Australia," Masbridge told Stuff.
"Our players haven't been contacted by New South Wales [Health] and local authorities. We've tried to reverse the contact cycle and say, 'do we need to do anything?'," Mansbridge said.
"The advice we've got is our players are not part of their contact strategy. They haven't contacted us. Because I don't think he meets the requirements while he was in NZ.
"That's our understanding at this point of time, and we're double verifying, because he has been gone for some period of time, was not displaying any symptoms while he was in NZ, and because the players most likely to come in contact are now in self isolation, that's where we're at at the moment."