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© Research
Publication : Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin

Impact of booster vaccination on the control of COVID-19 Delta wave in the context of waning immunity: application to France in the winter 2021/22.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin - 01 Jan 2022

Bosetti P, Tran Kiem C, Andronico A, Paireau J, Levy-Bruhl D, Alter L, Fontanet A, Cauchemez S,

Link to Pubmed [PMID] – 34991778

Link to DOI – 10.2807/1560-7917.ES.2022.27.1.2101125

Euro Surveill 2022 01; 27(1):

Europe has experienced a large COVID-19 wave caused by the Delta variant in winter 2021/22. Using mathematical models applied to Metropolitan France, we find that boosters administered to ≥ 65, ≥ 50 or ≥ 18 year-olds may reduce the hospitalisation peak by 25%, 36% and 43% respectively, with a delay of 5 months between second and third dose. A 10% reduction in transmission rates might further reduce it by 41%, indicating that even small increases in protective behaviours may be critical to mitigate the wave.

https://pubmed.ncbi.nlm.nih.gov/34991778