nope. viruses like the stomach flu that comes from food poisoning or close contact can only cause main symptoms like nausea and/or vomiting diarrhea and other stomach cramps. if you are still unsure of why you have green stool then it is a good idea to see a doctor and tell him or her that you have green stool.
can a virus cause my stool to be green. my stool has been soft green in color the last 3 days. should this be a cause for alarm? is it caused by a virus or my taking of low dose aspirin?