A certain virus causes a disease of the digestive system. What is most likely source this virus?

Contaminated food or water is the most likely source of a virus that causes a disease of the digestive system. This is because these viruses are typically spread through the ingestion of contaminated food or water. Some examples of viruses that can cause digestive system diseases through contaminated food or water include norovirus, rotavirus, hepatitis A virus, and E. coli.