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Article Dans Une Revue Viruses Année : 2021

Anti-SARS-CoV-2 Vaccines and Monoclonal Antibodies Facing Viral Variants

Résumé

The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is genetically variable, allowing it to adapt to various hosts including humans. Indeed, SARS-CoV-2 has accumulated around two mutations per genome each month. The first relevant event in this context was the occurrence of the mutant D614G in the Spike gene. Moreover, several variants have emerged, including the well-characterized 20I/501Y.V1, 20H/501Y.V2, and 20J/501Y.V3 strains, in addition to those that have been detected within clusters, such as 19B/501Y or 20C/655Y in France. Mutants have also emerged in animals, including a variant transmitted to humans, namely, the Mink variant detected in Denmark. The emergence of these variants has affected the transmissibility of the virus (for example, 20I/501Y.V1, which was up to 82% more transmissible than other preexisting variants), its severity, and its ability to escape natural, adaptive, vaccine, and therapeutic immunity. In this respect, we review the literature on variants that have currently emerged, and their effect on vaccines and therapies, and, in particular, monoclonal antibodies (mAbs). The emergence of SARS-CoV-2 variants must be examined to allow effective preventive and curative control strategies to be developed.
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hal-03765145 , version 1 (04-10-2023)

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Ahlam Chaqroun, Cédric Hartard, Evelyne Schvoerer. Anti-SARS-CoV-2 Vaccines and Monoclonal Antibodies Facing Viral Variants. Viruses, 2021, 13 (6), pp.1171. ⟨10.3390/v13061171⟩. ⟨hal-03765145⟩
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