Stomach Flu Arizona Why Is Your Stomach Affected As Well, When Your Body Is Attacked By A Flu Or Other Virus?

Why is your stomach affected as well, when your body is attacked by a flu or other virus? - stomach flu arizona

People often have nausea, with some flu or stomach virus. I heard one of these makes explicit reference to the flu as a "belly", as if a certain disease. To give any other pipes that have symptoms such as nausea. What is an infection that causes nausea?