Little data on the persistence of human norovirus infectivity are available to predict its transmissibility. Using human intestinal enteroids, we demonstrate that 2 human norovirus strains can remain infectious for several weeks in seawater. Such experiments can improve understanding of factors associated with norovirus survival in coastal waters and shellfish.
Keywords: France; Norovirus; United States; enteric infections; food safety; human intestinal enteroids; marine environment; persistence; stability; viruses.