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Impact of the Omicron variant on SARS-CoV-2 reinfections in France, March 2021 to February 2022

Abstract : Since the first reports in summer 2020, SARS-CoV-2 reinfections have raised concerns about the immunogenicity of the virus, which will affect SARS-CoV-2 epidemiology and possibly the burden of COVID-19 on our societies in the future. This study provides data on the frequency and characteristics of possible reinfections, using the French national COVID-19 testing database. The Omicron variant had a large impact on the frequency of possible reinfections in France, which represented 3.8% of all confirmed COVID-19 cases since December 2021.
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https://hal-univ-paris.archives-ouvertes.fr/hal-03665929
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Submitted on : Thursday, May 12, 2022 - 10:46:27 AM
Last modification on : Monday, May 23, 2022 - 2:19:37 PM

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Jonathan Bastard, Benjamin Taisne, Julie Figoni, Alexandra Mailles, Julien Durand, et al.. Impact of the Omicron variant on SARS-CoV-2 reinfections in France, March 2021 to February 2022. Eurosurveillance, European Centre for Disease Prevention and Control, 2022, 27 (13), pp.2200247. ⟨10.2807/1560-7917.ES.2022.27.13.2200247⟩. ⟨hal-03665929⟩

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