Study in France suggests high efficacy of mRNA vaccines against SARS-CoV-2 variants of concern

study in france suggests high efficacy of mrna vaccines against sars cov 2 variants of concern

Sumary of Study in France suggests high efficacy of mRNA vaccines against SARS-CoV-2 variants of concern:

  • A nationwide case-control study conducted in France has assessed the efficacy of mRNA-based coronavirus disease 2019 (COVID-19) vaccines against original severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and its variants, including B.
  • 1.351, and P1. In real-life pandemic situations, the two-dose regimen of mRNA vaccines has shown equivalent protective efficacy against the original virus and B.
  • The study has recently been published in the journal The Lancet Regional Health – Europe.
  • Background Within one year of the emergence of the COVID-19 pandemic, several potent vaccines were been developed against the original Wuhan strain of SARS-CoV-2. However, with the progression of the pandemic, multiple viral variants with significantly high infectivity have emerged and soon become predominant in many countries worldwide.
  • In real-world pandemic situations, most COVID-19 vaccines have shown equivalent efficacy against the original SARS-CoV-2 and the B.
  • In the current study, the scientists have assessed the efficacy of a two-dose regimen of mRNA-based COVID-19 vaccines against predominantly circulating variants in France, which are mostly original SARS-CoV-2 and variants B.
  • 1.351, and P1. Study design Related StoriesThis nationwide case-control study was conducted on 7,288 adults infected with the original SARS-CoV-2 virus, 31,313 with the B.
  • All participants were asked to complete an online survey questionnaire designed to collect information about sociodemographic characteristics, preexisting health conditions, recent SARS-CoV-2 testing results, recent activity-related viral exposures, and vaccination details.

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