Bronchiolitis epidemics in France during the SARS-CoV-2 pandemic: The 2020–2021 and 2021–2022 seasons - 08/09/22
, Delphine Viriot a, Cécile Forgeot a, Isabelle Pontais a, Yann Savitch a, Agnès Barondeau-Leuret b, Serge. Smadja c, Martine Valette d, Vincent Enouf e, Isabelle Parent du Chatelet a
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Highlights |
• | The lower than usual impact of the 2020–2021 bronchiolitis epidemic in France was linked to the implementation of personal non-pharmaceutical COVID-19-related interventions by older children and adults. |
• | This finding highlights the importance of promoting hygiene measures for people in contact with younger children during seasonal epidemics. |
• | The higher than usual impact of the 2021–2022 epidemic may be in part linked to an “immunity debt” resulting from the low impact of the previous season. |
• | The observed contrasting impacts suggest that this immunity debt was counterbalanced in 2021–2022. |
Abstract |
Objectives |
We described bronchiolitis epidemics during the 2020–2021 and 2021–2022 seasons in France and their interaction with the COVID outbreak.
Patients and methods |
Data on family physician (FP) visits, emergency department (ED) visits, hospitalizations for bronchiolitis for children˂2 years, and hospital virological data were analyzed and compared with previous seasons (2015–2020).
Results |
The 2020–2021 epidemic arrived very late, and its impact was lower than in previous seasons (2015–2020) (FP visits: −23%, ED visits: −38%, and hospitalizations: −30%). The 2021–2022 epidemic started early (week 40) and lasted for a relatively long time (13 weeks). The impact was higher than in 2015–2020 (FP visits: +13%, ED visits: +34%, hospitalizations: +28%).
Conclusion |
Findings from the 2020–2021 epidemic may be linked to the implementation of non-pharmaceutical COVID-19 prevention measures. For 2021–2022, findings may be linked to an “immunity debt” resulting from the lower impact of the previous season.
Le texte complet de cet article est disponible en PDF.Keywords : Bronchiolitis, COVID-19, Epidemic, France, RSV
Plan
Vol 52 - N° 6
P. 374-378 - septembre 2022 Retour au numéro
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