-
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
-
View Affiliations Hide AffiliationsSimon Cauchemezsimon.cauchemez pasteur.fr
-
View Citation Hide Citation
Citation style for this article: . 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. Euro Surveill. 2022;27(1):pii=2101125. https://doi.org/10.2807/1560-7917.ES.2022.27.1.2101125 Received: 07 Dec 2021; Accepted: 17 Dec 2021
Abstract
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.
Full text loading...