Seasonal and inter-seasonal RSV activity in the European Region during the COVID-19 pandemic from autumn 2020 to summer 2022

Margaux M.I. Meslé, Mary Sinnathamby, Piers Mook, Richard Pebody*, Anissa Lakhani, Maria Zambon, Odette Popovici, Mihaela Lazăr, Amela Dedeić Ljubović, Nina Rodić Vukmir, Ayşe Başak Altaş, Emine Avci, Katarzyna Łuniewska, Karol Szymański, Greta Gargasiene, Svajune Muralyte, Ausra Dziugyte, Graziella Zahra, Ana Rita Gonçalves, Tania SpedalieroGuillaume Fournier, Daniel Alvarez-Vaca, Goranka Petrović, Irena Tabain, Katarina Prosenc, Maja Socan, Jelena Protic, Dragana Dimitrijevic, Alina Druc, Mariana Apostol, Kate Karolina Kalasnikova, Sergejs Nikisins, Janine Reiche, Wei Cai, Adam Meijer, Anne Teirlinck, Amparo Larrauri, Inmaculada Casas, Vincent Enouf, Sophie Vaux, Frederikke Kristensen Lomholt, Ramona Trebbien, Helena Jirincova, Helena Sebestova, Mónika Rózsa, Zsuzsanna Molnár, Gudrun Aspelund, Gudrun Erna Baldvinsdottir, Simon Cottrell, Catherine Moore, Athanasios Kossyvakis, Kassiani Mellou, Olga Sadikova, Johanna Kristina Tamm, Nathalie Bossuyt, Isabelle Thomas, Edita Staroňová, Lyudmila Kudasheva, Boris Pleshkov, Niina Ikonen, Otto Helve, Emma Dickson, Tanya Curran, Kseniya Komissarova, Kirill Stolyarov, Veronika Vysotskaya, Natallia Shmialiova, Božidarka Rakočević, Danijela Vujošević, Romella Abovyan, Shushan Sargsyan, Khatuna Zakhashvili, Ann Machablishvili, Oksana Koshalko, Iryna Demchyshyna, Michal Mandelboim, Aharona Glatman-Freedman, Rory Gunson, Shivani Karanwal, Raquel Guiomar, Ana Paula Rodrigues, Charlene Bennett, Lisa Domegan, Arijana Kalaveshi, Xhevat Jakupi, Gurbangul Ovliyakulova, Neli Korsun, Nadezhda Vladimirova

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

Background: The emergence of the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) in early 2020 and subsequent implementation of public health and social measures (PHSM) disrupted the epidemiology of respiratory viruses. This work describes the epidemiology of respiratory syncytial virus (RSV) observed during two winter seasons (weeks 40–20) and inter-seasonal periods (weeks 21–39) during the pandemic between October 2020 and September 2022. Methods: Using data submitted to The European Surveillance System (TESSy) by countries or territories in the World Health Organization (WHO) European Region between weeks 40/2020 and 39/2022, we aggregated country-specific weekly RSV counts of sentinel, non-sentinel and Severe Acute Respiratory Infection (SARI) surveillance specimens and calculated percentage positivity. Results for both 2020/21 and 2021/22 seasons and inter-seasons were compared with pre-pandemic 2016/17 to 2019/20 seasons and inter-seasons. Results: Although more specimens were tested than in pre-COVID-19 pandemic seasons, very few RSV detections were reported during the 2020/21 season in all surveillance systems. During the 2021 inter-season, a gradual increase in detections was observed in all systems. In 2021/22, all systems saw early peaks of RSV infection, and during the 2022 inter-seasonal period, patterns of detections were closer to those seen before the COVID-19 pandemic. Conclusion: RSV surveillance continued throughout the COVID-19 pandemic, with an initial reduction in transmission, followed by very high and out-of-season RSV circulation (summer 2021) and then an early start of the 2021/22 season. As of the 2022/23 season, RSV circulation had not yet normalised.

Original languageEnglish
Article numbere13219
JournalInfluenza and other Respiratory Viruses
Volume17
Issue number11
DOIs
StatePublished - Nov 2023
Externally publishedYes

Funding

FundersFunder number
Anne Teirlinck
CHU Saint-Pierre
CIBERESP
Consejería de Sanidad, Castilla y León
Department of Epidemiology
Department of Hygiene, Epidemiology and Prevention
Department of Infectious Diseases
Department of Microbiology and Infection control
Department of Microbiology, Jessa Ziekenhuis
Dr Sultan Djemileva
Dutch Society for Clinical Microbiology
Dutch Working Group on Clinical Virology
Eliisa Metsoja
Estonian Health Board Influenza Centre
Hai Xi Wiegmans
Inmaculada Casas
Laboratory Network for Influenza
Liisa Lilje
NWKV
National Center of Epidemiology
National Center of Microbiology
National Institute of Health Doctor Ricardo Jorge
National Institute of Public Health of Kosovo
Public Health Wales Virology
Sanitary and Epidemiological Welfare and Public Health Service of the Republic of Uzbekistan
Service of Clinical Biology
Swiss Sentinel Network
United Nations Security Council
National Institutes of Health
Ministry of Health
Department of Pediatrics, School of Medicine, University of Virginia
European Centre for Disease Prevention and Control
Bundesamt für Gesundheit
Rijksinstituut voor Volksgezondheid en Milieu
Université libre de Bruxelles
Nederlandse Vereniging voor Medische Microbiologie
Innovative Medicines Initiative
Centre hospitalier universitaire Sainte-Justine

    Keywords

    • COVID-19 pandemic
    • Europe
    • epidemiology
    • respiratory syncytial virus
    • severity
    • surveillance

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