The viruses can be spread through close contact with infected persons by sharing food, water or eating utensils and touching common surfaces or objects. Individuals may also become infected by eating or drinking contaminated foods or beverages.
Foods and beverages may become contaminated by infected food handlers that do not properly wash their hands after using the bathroom. Foods and beverages may be contaminated by sewage at harvest. Water can also be contaminated by sewage and be the source of viral spread.