The ongoing 23rd Olympic Winter Games at the South Korean city of Pyeongchang, has been hit by an extraordinary outbreak of disease caused by Norovirus.
Noro virus is similar to rota virus that induces Diarrhea.
It infects people across all age groups and it is highly contagious.
It is notable that there are no preventable vaccines available against this Virus.
The Primary rout of transmission of this virus is oral-faecal way.
Virus also spreads through contaminated food and water.
Sudden onset of vomiting, diarrhoea, abdominal pain, headaches, fever and dehydration are the major symptoms.