<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Margaux M I Meslé</style></author><author><style face="normal" font="default" size="100%">Sinnathamby, Mary</style></author><author><style face="normal" font="default" size="100%">Piers Mook</style></author><author><style face="normal" font="default" size="100%">Richard Pebody</style></author><author><style face="normal" font="default" size="100%">Anissa Lakhani</style></author><author><style face="normal" font="default" size="100%">Maria Zambon</style></author><author><style face="normal" font="default" size="100%">Odette Popovici</style></author><author><style face="normal" font="default" size="100%">Mihaela Lazar</style></author><author><style face="normal" font="default" size="100%">Ljubović, Amela Dedeić</style></author><author><style face="normal" font="default" size="100%">Nina Rodić Vukmir</style></author><author><style face="normal" font="default" size="100%">Altaş, Ayşe Başak</style></author><author><style face="normal" font="default" size="100%">Emine Avci</style></author><author><style face="normal" font="default" size="100%">Katarzyna Łuniewska</style></author><author><style face="normal" font="default" size="100%">Karol Szymański</style></author><author><style face="normal" font="default" size="100%">Greta Gargasiene</style></author><author><style face="normal" font="default" size="100%">Svajune Muralyte</style></author><author><style face="normal" font="default" size="100%">Aušra Džiugytė</style></author><author><style face="normal" font="default" size="100%">Graziella Zahra</style></author><author><style face="normal" font="default" size="100%">Ana Rita Gonçalves</style></author><author><style face="normal" font="default" size="100%">Tania Spedaliero</style></author><author><style face="normal" font="default" size="100%">Fournier, Guillaume</style></author><author><style face="normal" font="default" size="100%">Daniel Alvarez-Vaca</style></author><author><style face="normal" font="default" size="100%">Petrović, Goranka</style></author><author><style face="normal" font="default" size="100%">Irena Tabain</style></author><author><style face="normal" font="default" size="100%">Katarina Prosenc</style></author><author><style face="normal" font="default" size="100%">Maja Socan</style></author><author><style face="normal" font="default" size="100%">Jelena Protic</style></author><author><style face="normal" font="default" size="100%">Dragana Dimitrijevic</style></author><author><style face="normal" font="default" size="100%">Alina Druc</style></author><author><style face="normal" font="default" size="100%">Mariana Apostol</style></author><author><style face="normal" font="default" size="100%">Kate Karolina Kalasnikova</style></author><author><style face="normal" font="default" size="100%">Sergejs Nikisins</style></author><author><style face="normal" font="default" size="100%">Janine Reiche</style></author><author><style face="normal" font="default" size="100%">Cai, Wei</style></author><author><style face="normal" font="default" size="100%">Adam Meijer</style></author><author><style face="normal" font="default" size="100%">Anne Teirlinck</style></author><author><style face="normal" font="default" size="100%">Larrauri, Amparo</style></author><author><style face="normal" font="default" size="100%">Inmaculada Casas</style></author><author><style face="normal" font="default" size="100%">Vincent Enouf</style></author><author><style face="normal" font="default" size="100%">Sophie Vaux</style></author><author><style face="normal" font="default" size="100%">Lomholt, Frederikke Kristensen</style></author><author><style face="normal" font="default" size="100%">Ramona Trebbien</style></author><author><style face="normal" font="default" size="100%">Helena Jirincova</style></author><author><style face="normal" font="default" size="100%">Helena Sebestova</style></author><author><style face="normal" font="default" size="100%">Mónika Rózsa</style></author><author><style face="normal" font="default" size="100%">Zsuzsanna Molnár</style></author><author><style face="normal" font="default" size="100%">Gudrun Aspelund</style></author><author><style face="normal" font="default" size="100%">Gudrun Erna Baldvinsdottir</style></author><author><style face="normal" font="default" size="100%">Simon Cottrell</style></author><author><style face="normal" font="default" size="100%">Moore, Catherine</style></author><author><style face="normal" font="default" size="100%">Athanasios Kossyvakis</style></author><author><style face="normal" font="default" size="100%">Mellou, Kassiani</style></author><author><style face="normal" font="default" size="100%">Olga Sadikova</style></author><author><style face="normal" font="default" size="100%">Johanna Kristina Tamm</style></author><author><style face="normal" font="default" size="100%">Nathalie Bossuyt</style></author><author><style face="normal" font="default" size="100%">Isabelle Thomas</style></author><author><style face="normal" font="default" size="100%">Edita Staroňová</style></author><author><style face="normal" font="default" size="100%">Lyudmila Kudasheva</style></author><author><style face="normal" font="default" size="100%">Boris Pleshkov</style></author><author><style face="normal" font="default" size="100%">Niina Ikonen</style></author><author><style face="normal" font="default" size="100%">Otto Helve</style></author><author><style face="normal" font="default" size="100%">Emma Dickson</style></author><author><style face="normal" font="default" size="100%">Tanya Curran</style></author><author><style face="normal" font="default" size="100%">Kseniya Komissarova</style></author><author><style face="normal" font="default" size="100%">Kirill Stolyarov</style></author><author><style face="normal" font="default" size="100%">Veronika Vysotskaya</style></author><author><style face="normal" font="default" size="100%">Natallia Shmialiova</style></author><author><style face="normal" font="default" size="100%">Rakočević, Božidarka</style></author><author><style face="normal" font="default" size="100%">Danijela Vujošević</style></author><author><style face="normal" font="default" size="100%">Romella Abovyan</style></author><author><style face="normal" font="default" size="100%">Shushan Sargsyan</style></author><author><style face="normal" font="default" size="100%">Khatuna Zakhashvili</style></author><author><style face="normal" font="default" size="100%">Ann Machablishvili</style></author><author><style face="normal" font="default" size="100%">Oksana Koshalko</style></author><author><style face="normal" font="default" size="100%">Iryna Demchyshyna</style></author><author><style face="normal" font="default" size="100%">Michal Mandelboim</style></author><author><style face="normal" font="default" size="100%">Aharona Glatman-Freedman</style></author><author><style face="normal" font="default" size="100%">Rory Gunson</style></author><author><style face="normal" font="default" size="100%">Shivani Karanwal</style></author><author><style face="normal" font="default" size="100%">Raquel Guiomar</style></author><author><style face="normal" font="default" size="100%">Ana Paula Rodrigues</style></author><author><style face="normal" font="default" size="100%">Charlene Bennett</style></author><author><style face="normal" font="default" size="100%">Domegan, Lisa</style></author><author><style face="normal" font="default" size="100%">Arijana Kalaveshi</style></author><author><style face="normal" font="default" size="100%">Jakupi, Xhevat</style></author><author><style face="normal" font="default" size="100%">Ovliyakulova, Gurbangul</style></author><author><style face="normal" font="default" size="100%">Neli Korsun</style></author><author><style face="normal" font="default" size="100%">Nadezhda Vladimirova</style></author></authors><translated-authors><author><style face="normal" font="default" size="100%">WHO European Region Respiratory Network Group</style></author></translated-authors></contributors><titles><title><style face="normal" font="default" size="100%">Seasonal and inter-seasonal RSV activity in the European Region during the COVID-19 pandemic from autumn 2020 to summer 2022.</style></title><secondary-title><style face="normal" font="default" size="100%">Influenza Other Respir Viruses</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">COVID-19</style></keyword><keyword><style  face="normal" font="default" size="100%">Humans</style></keyword><keyword><style  face="normal" font="default" size="100%">Pandemics</style></keyword><keyword><style  face="normal" font="default" size="100%">Population Surveillance</style></keyword><keyword><style  face="normal" font="default" size="100%">Respiratory Syncytial Virus Infections</style></keyword><keyword><style  face="normal" font="default" size="100%">Respiratory Syncytial Virus, Human</style></keyword><keyword><style  face="normal" font="default" size="100%">SARS-CoV-2</style></keyword><keyword><style  face="normal" font="default" size="100%">Seasons</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2023</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2023 Nov</style></date></pub-dates></dates><volume><style face="normal" font="default" size="100%">17</style></volume><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;&lt;b&gt;BACKGROUND: &lt;/b&gt;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.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;METHODS: &lt;/b&gt;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.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;RESULTS: &lt;/b&gt;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.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;CONCLUSION: &lt;/b&gt;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.&lt;/p&gt;
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