Surge in Norovirus Cases This Winter Raises Health Concerns

This winter, the United States is witnessing a notable uptick in norovirus infections, as revealed by the latest data from the Centers for Disease Control and Prevention (CDC). During the week of December 5, there were 91 reported outbreaks of this distressing stomach virus, an increase from 69 outbreaks the previous week and surpassing figures from previous seasons, including those shortly before the pandemic.

Norovirus is known for causing quick onset vomiting and diarrhea, leading to potential severe dehydration, especially in at-risk individuals. Although many affected individuals recover within a few days, the CDC reports that the virus contributes to approximately 900 deaths annually—primarily among older adults—and triggers around 465,000 emergency room visits, particularly among young children.

Currently, there is no swift cure for norovirus; consequently, health experts advocate for rehydration and sufficient rest for those infected. Preventive measures, however, can significantly reduce the risk of contracting the virus during winter months. The CDC recommends regular handwashing with soap and water for at least 20 seconds—especially after restroom use and before meals—as hand sanitizer does not effectively eliminate norovirus.

Dr. Leana Wen, former health commissioner in Baltimore, highlights the importance of thorough hand hygiene, especially in communal dining settings like buffets, and advises against food preparation during periods of illness related to norovirus. The virus is resistant to heat, capable of enduring temperatures as high as 145°F, making it difficult to eliminate through steaming.

Crop contamination can occur without any noticeable changes in appearance, smell, or taste. If someone in the household is infected, the CDC suggests the use of disposable gloves for cleaning, mopping up with paper towels, and immediately discarding them. It also includes guidelines for disinfecting surfaces with a bleach solution and proper laundering of contaminated clothing using hot water and maximum cycle lengths for effective cleaning.