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

[tetano]

• Jonathan Bastard[SUP]1[/SUP] , Benjamin Taisne[SUP]1[/SUP] , Julie Figoni[SUP]1,*[/SUP] , Alexandra Mailles[SUP]1,*[/SUP] , Julien Durand[SUP]1[/SUP] , Myriam Fayad[SUP]1[/SUP] , Laurence Josset[SUP]2,3[/SUP] , Anna Maisa[SUP]1[/SUP] , Sylvie van der Werf[SUP]4,5[/SUP] , Isabelle Parent du Châtelet[SUP]1[/SUP] , Sibylle Bernard-Stoecklin[SUP]1[/SUP]

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.

https://www.eurosurveillance.org/content/10.2807/1560-7917.ES.2022.27.13.2200247#html_fulltext

 

[sharon sanders]

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