Norovirus cases are on the rise again this winter, with infection levels surpassing those of previous years, according to the latest data from the Centers for Disease Control and Prevention (CDC). Circulating strains of norovirus evolve over time, impacting disease burden and severity. Norovirus prevention and outbreak control are essential, especially in senior living communities where residents are at higher risk.
Sara Mirza, MD, an epidemiologist in the CDC’s Division of Viral Diseases, noted that the recent surge may be partially attributed to a new predominant strain. The good news? So far, there is no evidence that this mutated strain causes more severe illness or disproportionately affects any specific population. However, experts continue to monitor the situation.
- Norovirus affects all ages, but young children and older adults are most at risk for severe outcomes.
- Use soap and water for hand hygiene—alcohol-based hand sanitizers are ineffective, as the virus’s protective protein shell prevents the alcohol from penetrating and inactivating it.
- If norovirus is suspected, PPE use is recommended for patient care.
- High-touch surfaces and patient care equipment should be cleaned and disinfected frequently to prevent further spread.
Bottom line—norovirus is incredibly contagious, spreads rapidly, and is notoriously difficult to disinfect or eliminate. Norovirus prevention and outbreak control require strict adherence to sanitation and handwashing, whether at home or while traveling.
HealthCap has a new Norovirus Toolkit to assist in developing a robust prevention program. For additional guidance, visit the CDC’s website for norovirus prevention strategies.
Stay well and stay informed!
