Journal
EUROSURVEILLANCE
Volume 26, Issue 9, Pages 2-7Publisher
EUR CENTRE DIS PREVENTION & CONTROL
DOI: 10.2807/1560-7917.ES.2021.26.9.2100133
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Funding
- Sante publique France (the French national public health agency)
- French Ministry of health
- ANRS Maladies Infectieuses Emergentes
- Investissement d'Avenir programme [ANR-10-LABX-62-IBEID]
- European Union [101003589]
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The emergence of the SARS-CoV-2 variant 201/501Y.V1 in France is concerning due to its increased transmissibility. Recent data shows that this variant is 52-69% more transmissible compared to previously circulating lineages, with a prevalence of 6.9% in the Paris region.
The emergence of SARS-CoV-2 variant 201/501Y.V1 (VOC-202012/1 or GR/501Y.V1) is concerning given its increased transmissibility. We reanalysed 11,916 PCR-positive tests (41% of alt positive tests) performed on 7-8 January 2021 in France. The prevalence of 201/501Y.V1 was 3.3% among positive tests nationwide and 6.9% in the Paris region. Analysing the recent rise in the prevalence of 201/501Y.V1, we estimate that, in the French context, 201/501Y.V1 is 52-69% more transmissible than the previously circulating lineages, depending on modelling assumptions.
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