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COVID-19 Acceleration and Vaccine Status in France - Summer 2021

Author

Listed:
  • Christelle Baunez

    (INT - Institut de Neurosciences de la Timone - AMU - Aix Marseille Université - CNRS - Centre National de la Recherche Scientifique)

  • Mickaël Degoulet

    (INT - Institut de Neurosciences de la Timone - AMU - Aix Marseille Université - CNRS - Centre National de la Recherche Scientifique)

  • Stéphane Luchini

    (AMSE - Aix-Marseille Sciences Economiques - EHESS - École des hautes études en sciences sociales - AMU - Aix Marseille Université - ECM - École Centrale de Marseille - CNRS - Centre National de la Recherche Scientifique)

  • Patrick A Pintus

    (AMSE - Aix-Marseille Sciences Economiques - EHESS - École des hautes études en sciences sociales - AMU - Aix Marseille Université - ECM - École Centrale de Marseille - CNRS - Centre National de la Recherche Scientifique)

  • Miriam Teschl

    (AMSE - Aix-Marseille Sciences Economiques - EHESS - École des hautes études en sciences sociales - AMU - Aix Marseille Université - ECM - École Centrale de Marseille - CNRS - Centre National de la Recherche Scientifique)

Abstract

Objectives: This note provides an assessment of COVID-19 acceleration among groups with different vaccine status in France. Methods: We assess viral acceleration using a novel indicator introduced in Baunez et al. (2021). The acceleration index relates the percentage change of tests that have been performed on a given day to the percentage change in the associated positive cases that same day. We compare viral acceleration among vaccinated and unvaccinated individuals in France over the period May 31st-August 29, 2021. Results: Once the state of the epidemic within each groups is accounted for, it turns out that viral acceleration has since mid-July converged to similar levels among vaccinated and unvaccinated individuals in France, even though viral speed is larger for the latter group compared to the former. Conclusion: Our results call for an increasing testing effort for both vaccinated and unvaccinated individuals, in view of the fact that viral circulation is currently accelerating at similar levels for both groups in France.

Suggested Citation

  • Christelle Baunez & Mickaël Degoulet & Stéphane Luchini & Patrick A Pintus & Miriam Teschl, 2021. "COVID-19 Acceleration and Vaccine Status in France - Summer 2021," Working Papers halshs-03365413, HAL.
    • Handle: RePEc:hal:wpaper:halshs-03365413
    Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-03365413
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    References listed on IDEAS

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    1. Christelle Baunez & Mickael Degoulet & Stéphane Luchini & Patrick A Pintus & Miriam Teschl, 2021. "Tracking the dynamics and allocating tests for COVID-19 in real-time: An acceleration index with an application to French age groups and départements," PLOS ONE, Public Library of Science, vol. 16(6), pages 1-21, June.
    2. Delphine Planas & David Veyer & Artem Baidaliuk & Isabelle Staropoli & Florence Guivel-Benhassine & Maaran Michael Rajah & Cyril Planchais & Françoise Porrot & Nicolas Robillard & Julien Puech & Matth, 2021. "Reduced sensitivity of SARS-CoV-2 variant Delta to antibody neutralization," Nature, Nature, vol. 596(7871), pages 276-280, August.
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    More about this item

    Keywords

    COVID-19; Vaccine Status; Viral Acceleration; Acceleration Index; France;
    All these keywords.

    JEL classification:

    • H12 - Public Economics - - Structure and Scope of Government - - - Crisis Management

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