An outbreak of viral gastroenteritis caused by norovirus was reported among security staff at the Winter Olympics that take place from 9 to 25 February in PyeongChang, Republic of Korea. The Korea Centers for Disease Control and Prevention (KCDC) reported 128 confirmed norovirus cases, which occurred between 1 and 8 February 2018.
Norovirus is a very contagious virus that causes stomach pain, nausea, vomiting, and diarrhea. A person usually develops symptoms 24 to 48 hours after being exposed to norovirus and symptoms typically last for up to 2 or 3 days. You can get it from an infected person, contaminated food or water, or by touching contaminated surfaces and objects.
You can help to prevent norovirus by: