Pyeongchang Winter Olympics organizers (POCOG) said on Monday a total of 177 norovirus cases had been confirmed so far at the Games, but that the athletic delegations remained unaffected.

The number of people struck down by a virus causing vomiting and diarrhea at the Pyeongchang Winter Olympics has more than doubled to 86, though athletes remain unaffected, the Korean Centers for Disease Control and Prevention (KCDC) said.