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Influenza Other Respir Viruses . Quantified impacts of non-pharmaceutical interventions on influenza circulation during the COVID-19 pandemic in 13

tetano

Editor, Senior Moderator
Influenza Other Respir Viruses


. 2024 Jan 18;18(1):e13241.
doi: 10.1111/irv.13241. eCollection 2024 Jan. Quantified impacts of non-pharmaceutical interventions on influenza circulation during the COVID-19 pandemic in 13 African countries, 2020-2022

Radhika Gharpure[SUP] 1 [/SUP], Sonja J Olsen[SUP] 1 [/SUP], William W Davis[SUP] 1 2 [/SUP]



Affiliations
Abstract

Nonpharmaceutical interventions (NPIs) for SARS-CoV-2 disrupted circulation of influenza. We used data from 13 African countries and generalized linear models to identify associations between levels of NPIs, using the Oxford Stringency Index, and seasonal influenza activity, using parameters derived from 2020-2022 seasonal influenza surveillance. We found that for each step increase in school closings, the average percentage of respiratory specimens testing positive for influenza across the influenza season dropped by 20% (95% CI: 1-38%); no other NPI was significant. These findings may inform interventions to slow influenza circulation in pandemics and possibly during seasonal epidemics.

Keywords: COVID‐19; NPIs; nonpharmaceutical interventions; seasonal influenza.

 
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