According to Olympics organizers, the norovirus spread began Sunday when private security workers staying in the Jinbu area of Pyeongchang started complaining of headaches, stomach pain and diarrhea. Cooking, drinking water tested negativeAbout 1,200 people were kept in their rooms during tests for the contagious virus. Games organizers said Wednesday that 32 workers are being treated for norovirus and are in quarantine, including three foreigners. There are concerns over the possible spreading of the norovirus, a virus that causes stomach pain, nausea and diarrhea. The virus spread appears to feed a lingering South Korean sense of worry that the Games will be filled with glitches and mistakes.

Source: CBC News February 07, 2018 17:15 UTC