Norovirus…the dreaded stomach flu that has taken down fast food giants like Chipotle, ruined cruise ship vacations and shut down schools (as we speak!), is back this year, and with a vengeance. An intestinal virus that is known as acute gastroenteritis, or simply the “stomach flu”, Norovirus infections are transmitted from person to person by contaminated food and water and contaminated surfaces. In a recent outbreak occurring in Yellowstone National Park, a touring group ...