Norovirus Infections Drop 49% in the United States with Strict COVID-19 Public Health Interventions

Robert P. Lennon, Christopher Griffin, Erin L. Miller, Huamei Dong, David Rabago, Aleksandra E. Zgierska


Norovirus is a substantial burden on the U.S. We compared norovirus outbreaks before and during COVID-19. There were fewer norovirus outbreaks during COVID-19 compared to a similar time period in 2019 (326 versus 638, P<0.001).

Conclusion. COVID-19 public health interventions may be considered to decrease the burden of norovirus. This demonstrates the ability of more restrictive interventions to decrease other outbreaks of known or emerging viruses.


Coronavirus; Norovirus; Public Health

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2019 Department of Medical Sciences, Academy of Sciences and Arts of Bosnia and Herzegovina, Sarajevo, Bosnia and Herzegovina. All rights reserved.
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