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Impact of Nonpharmaceutical Interventions for Severe Acute Respiratory Syndrome Coronavirus 2 on Norovirus Outbreaks: An Analysis of Outbreaks Reported By 9 US States.
Kraay, Alicia N M; Han, Peichun; Kambhampati, Anita K; Wikswo, Mary E; Mirza, Sara A; Lopman, Benjamin A.
  • Kraay ANM; Epidemiology Department, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA.
  • Han P; Epidemiology Department, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA.
  • Kambhampati AK; Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
  • Wikswo ME; Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
  • Mirza SA; Division of Viral Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
  • Lopman BA; Epidemiology Department, Rollins School of Public Health, Emory University, Atlanta, Georgia, USA.
J Infect Dis ; 224(1): 9-13, 2021 07 02.
Article in English | MEDLINE | ID: covidwho-1294727
ABSTRACT
In April 2020, the incidence of norovirus outbreaks reported to the National Outbreak Reporting System dramatically declined. We used regression models to determine if this decline was best explained by underreporting, seasonal trends, or reduced exposure due to nonpharmaceutical interventions (NPIs) implemented for severe acute respiratory syndrome coronavirus 2 using data from 9 states from July 2012 to July 2020. The decline in norovirus outbreaks was significant for all 9 states, and underreporting and/or seasonality are unlikely to be the primary explanation for these findings. These patterns were similar across a variety of settings. NPIs appear to have reduced incidence of norovirus, a nonrespiratory pathogen.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Caliciviridae Infections / Norovirus / Coinfection / SARS-CoV-2 / COVID-19 Type of study: Diagnostic study / Experimental Studies / Observational study / Randomized controlled trials Limits: Humans Country/Region as subject: North America Language: English Journal: J Infect Dis Year: 2021 Document Type: Article Affiliation country: Infdis

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Caliciviridae Infections / Norovirus / Coinfection / SARS-CoV-2 / COVID-19 Type of study: Diagnostic study / Experimental Studies / Observational study / Randomized controlled trials Limits: Humans Country/Region as subject: North America Language: English Journal: J Infect Dis Year: 2021 Document Type: Article Affiliation country: Infdis