Transmission happens if you ingest tiny particles of fecal matter or vomit from a person with a norovirus infection. When a person has an infection, they may be able to shed many microscopic virus ...

Norovirus is one of many viruses that cause gastroenteritis. The virus is spread through fecal matter and vomit particles. The best defense is washing your hands frequently with soap and water.

If fecal matter becomes apparent at any time ... MMA fighter DQ'd after projectile vomiting blue liquid in the cage ...