Cases of norovirus, a leading cause of gastric distress, seems to be making its mark on the season. “About 50% of all food-related illness outbreaks are from the virus,” according to the Centers for Disease Control and Prevention (CDC) as quoted by the Chicago Sun-Times, with approximately 2,500 reported outbreaks in the U.S. annually. The notorious stomach bug is particularly active from November through April, a stretch that coincides with our favorite holiday feasts and familial assemblies.