Norovirus, often called the "stomach flu," is a highly contagious virus that causes acute gastroenteritis, leading to nausea, vomiting, and stomach cramps. Although norovirus is often called the stomach flu, they are different illnesses that lead to their own unique symptoms. The flu primarily affects the respiratory system while norovirus targets the digestive tract. Keep reading to learn more about norovirus and its symptoms. If you’re experiencing norovirus symptoms, visit AFC Urgent Care Stoneham ...