When people become exposed to the Norovirus, illness may develop within 24 – 48 hours resulting in symptoms that include diarrhea, vomiting, nausea and stomach cramping with or without fever. Severe dehydration can occur and is life-threatening. Drinking fluids may not be sufficient for hydration; therefore, medical attention may be necessary. The Norovirus often occurs in outbreak settings in heavily populated and confined situations. Hotels and cruise lines have had numerous reported outbreaks of this disease. PathCon scientists can give expert advice regarding controlling Norovirus outbreaks.