Epidemiology of acute gastroenteritis in France from November 2019–August 2021, in light of reported adherence to COVID-19 barrier measures

Abstract Since the start of the COVID-19 pandemic, French health authorities have encouraged barrier measures and implemented three lockdowns to slow SARS-CoV-2 transmission. We aimed to examine the impact of these measures on the epidemiology of acute gastroenteritis (AGE) in France, from November...

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Main Authors: Athinna Nisavanh, Imene Horrigue, Marion Debin, Clément Turbelin, Charly Kengne-Kuetche, Oriane Nassany, Katia Ambert-Balay, Nathalie Jourdan-Da Silva, Isabelle Pontais, Henriette de Valk, Gabrielle Jones
Format: Article
Language:English
Published: Nature Portfolio 2022-10-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-022-22317-7
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author Athinna Nisavanh
Imene Horrigue
Marion Debin
Clément Turbelin
Charly Kengne-Kuetche
Oriane Nassany
Katia Ambert-Balay
Nathalie Jourdan-Da Silva
Isabelle Pontais
Henriette de Valk
Gabrielle Jones
author_facet Athinna Nisavanh
Imene Horrigue
Marion Debin
Clément Turbelin
Charly Kengne-Kuetche
Oriane Nassany
Katia Ambert-Balay
Nathalie Jourdan-Da Silva
Isabelle Pontais
Henriette de Valk
Gabrielle Jones
author_sort Athinna Nisavanh
collection DOAJ
description Abstract Since the start of the COVID-19 pandemic, French health authorities have encouraged barrier measures and implemented three lockdowns to slow SARS-CoV-2 transmission. We aimed to examine the impact of these measures on the epidemiology of acute gastroenteritis (AGE) in France, from November 2019 to August 2021. We describe trends in AGE indicators from syndromic surveillance and a sentinel surveillance network. Additionally, we describe reported AGE illness data from a community based cohort, and frequencies of adherence to COVID-19 barrier measures from repeated quantitative surveys. From week 7 in 2020, all AGE indicators reached the lowest levels observed since the last decade. During the first lockdown, the median incidence rate reported by the sentinel network was 32 per 100,000 inhabitants, 1.9 times lower than the minimum registered during the 2010–2019 period. Low activity persisted until April 2021. Reported illness from the community cohort mirrored these trends. Adherence to COVID-19 barrier measures was highest during the first lockdown, coinciding with the steep decrease in AGE incidence. Among children under 5 years, AGE incidence increased after the third lockdown in June and July 2021, but remained lower than previous winter-season peaks. Our study indicates that a reduction in adherence to COVID-19 barrier measures, and the end of the lockdowns, coincided with an increase in AGE incidence, particularly among young children. We therefore strongly recommend maintaining adherence to barrier measures in order to in order to limit the transmission of AGE related pathogens.
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spelling doaj.art-25f8e1abe5994133aecf4d2ff24aa1b12022-12-22T02:37:10ZengNature PortfolioScientific Reports2045-23222022-10-0112111010.1038/s41598-022-22317-7Epidemiology of acute gastroenteritis in France from November 2019–August 2021, in light of reported adherence to COVID-19 barrier measuresAthinna Nisavanh0Imene Horrigue1Marion Debin2Clément Turbelin3Charly Kengne-Kuetche4Oriane Nassany5Katia Ambert-Balay6Nathalie Jourdan-Da Silva7Isabelle Pontais8Henriette de Valk9Gabrielle Jones10French Public Health Agency, Santé Publique FranceFrench Public Health Agency, Santé Publique FranceSorbonne Université, INSERM, Institut Pierre Louis d’Epidémiologie et de Santé Publique, IPLESPSorbonne Université, INSERM, Institut Pierre Louis d’Epidémiologie et de Santé Publique, IPLESPSorbonne Université, INSERM, Institut Pierre Louis d’Epidémiologie et de Santé Publique, IPLESPFrench Public Health Agency, Santé Publique FranceNational Reference Centre for Gastroenteritis Viruses, University Hospital of DijonFrench Public Health Agency, Santé Publique FranceFrench Public Health Agency, Santé Publique FranceFrench Public Health Agency, Santé Publique FranceFrench Public Health Agency, Santé Publique FranceAbstract Since the start of the COVID-19 pandemic, French health authorities have encouraged barrier measures and implemented three lockdowns to slow SARS-CoV-2 transmission. We aimed to examine the impact of these measures on the epidemiology of acute gastroenteritis (AGE) in France, from November 2019 to August 2021. We describe trends in AGE indicators from syndromic surveillance and a sentinel surveillance network. Additionally, we describe reported AGE illness data from a community based cohort, and frequencies of adherence to COVID-19 barrier measures from repeated quantitative surveys. From week 7 in 2020, all AGE indicators reached the lowest levels observed since the last decade. During the first lockdown, the median incidence rate reported by the sentinel network was 32 per 100,000 inhabitants, 1.9 times lower than the minimum registered during the 2010–2019 period. Low activity persisted until April 2021. Reported illness from the community cohort mirrored these trends. Adherence to COVID-19 barrier measures was highest during the first lockdown, coinciding with the steep decrease in AGE incidence. Among children under 5 years, AGE incidence increased after the third lockdown in June and July 2021, but remained lower than previous winter-season peaks. Our study indicates that a reduction in adherence to COVID-19 barrier measures, and the end of the lockdowns, coincided with an increase in AGE incidence, particularly among young children. We therefore strongly recommend maintaining adherence to barrier measures in order to in order to limit the transmission of AGE related pathogens.https://doi.org/10.1038/s41598-022-22317-7
spellingShingle Athinna Nisavanh
Imene Horrigue
Marion Debin
Clément Turbelin
Charly Kengne-Kuetche
Oriane Nassany
Katia Ambert-Balay
Nathalie Jourdan-Da Silva
Isabelle Pontais
Henriette de Valk
Gabrielle Jones
Epidemiology of acute gastroenteritis in France from November 2019–August 2021, in light of reported adherence to COVID-19 barrier measures
Scientific Reports
title Epidemiology of acute gastroenteritis in France from November 2019–August 2021, in light of reported adherence to COVID-19 barrier measures
title_full Epidemiology of acute gastroenteritis in France from November 2019–August 2021, in light of reported adherence to COVID-19 barrier measures
title_fullStr Epidemiology of acute gastroenteritis in France from November 2019–August 2021, in light of reported adherence to COVID-19 barrier measures
title_full_unstemmed Epidemiology of acute gastroenteritis in France from November 2019–August 2021, in light of reported adherence to COVID-19 barrier measures
title_short Epidemiology of acute gastroenteritis in France from November 2019–August 2021, in light of reported adherence to COVID-19 barrier measures
title_sort epidemiology of acute gastroenteritis in france from november 2019 august 2021 in light of reported adherence to covid 19 barrier measures
url https://doi.org/10.1038/s41598-022-22317-7
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