Final answer:
Norovirus and hepatitis A virus are the two most common food-borne viruses that contaminate our food supply through fecal contaminated waters and food.
Step-by-step explanation:
Two common food-borne viruses that contaminate our food supply through fecal contaminated waters and food are norovirus and hepatitis A virus. Norovirus causes inflammation of the stomach and intestines, and hepatitis A virus causes inflammation of the liver. These viruses can be spread through contaminated water or undercooked food, and proper hygiene practices such as thorough handwashing can help prevent their transmission.