Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2026
Burden of Respiratory Syncytial Virus Among Older Adults With an Acute Respiratory Infection: A Prospective Study in Six European Countries.
СтатьяНаблюдательное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Terns Riera Manel, Prato Rosa, Pérez-Rubio Alberto, Echave-Sustaeta José María, Verelst Frederik, Gawade Shubhangi, Pirçon Jean-Yves, Saeedi Pouya, Joosten Philip, RSV-029 study group
Аннотация
BACKGROUND: Respiratory syncytial virus (RSV) primarily affects the respiratory tract, with a high burden among older adults. We aimed to estimate the prevalence and characteristics of RSV-associated respiratory infections in community-dwelling older adults across Europe.
METHODS: A prospective, observational study was conducted in six European countries over three consecutive RSV seasons (October 2021 until April 2024). Non-RSV vaccinated participants (age ≥60 years) presenting with symptoms of acute respiratory infection (ARI) at general practitioners and outpatient clinics/outpatient hospitals were recruited. Respiratory syncytial virus and other respiratory viruses were detected using a combined nasal and throat swab. Diary cards and regular phone contacts were used to collect information on onset and resolution of symptoms. The prevalence of RT-PCR confirmed RSV-ARI (cRSV-ARI) was estimated, as well as symptom duration, underlying comorbidities, prevalence of RT-PCR confirmed RSV lower respiratory tract disease (cRSV-LRTD), complications, hospitalizations, and co-infections.
RESULTS: A total of 2573 participants were enrolled (139 with cRSV-ARI). The prevalence of cRSV-ARI varied by season: 3.6% in Season 1, 9.3% in Season 2, and 4.2% in Season 3. The most frequently reported upper respiratory, lower respiratory, and systemic symptoms were nasal congestion/rhinorrhea, cough, and fatigue (cRSV-ARI: 83.1%, 97.8%, and 64.0%; non-cRSV-ARI: 78.0%, 95.0%, and 68.2%). The overall prevalence of cRSV-LRTD was 3.9% in Season 1, 12.5% in Season 2, and 7.3% in Season 3.
CONCLUSIONS: This study highlights the substantial burden of RSV among older adults in Europe and reflects the shift in RSV epidemiology due to the COVID-19 pandemic, indicating a return to prepandemic seasonality trends.
CLINICAL TRIAL REGISTRATION: Not applicable.
METHODS: A prospective, observational study was conducted in six European countries over three consecutive RSV seasons (October 2021 until April 2024). Non-RSV vaccinated participants (age ≥60 years) presenting with symptoms of acute respiratory infection (ARI) at general practitioners and outpatient clinics/outpatient hospitals were recruited. Respiratory syncytial virus and other respiratory viruses were detected using a combined nasal and throat swab. Diary cards and regular phone contacts were used to collect information on onset and resolution of symptoms. The prevalence of RT-PCR confirmed RSV-ARI (cRSV-ARI) was estimated, as well as symptom duration, underlying comorbidities, prevalence of RT-PCR confirmed RSV lower respiratory tract disease (cRSV-LRTD), complications, hospitalizations, and co-infections.
RESULTS: A total of 2573 participants were enrolled (139 with cRSV-ARI). The prevalence of cRSV-ARI varied by season: 3.6% in Season 1, 9.3% in Season 2, and 4.2% in Season 3. The most frequently reported upper respiratory, lower respiratory, and systemic symptoms were nasal congestion/rhinorrhea, cough, and fatigue (cRSV-ARI: 83.1%, 97.8%, and 64.0%; non-cRSV-ARI: 78.0%, 95.0%, and 68.2%). The overall prevalence of cRSV-LRTD was 3.9% in Season 1, 12.5% in Season 2, and 7.3% in Season 3.
CONCLUSIONS: This study highlights the substantial burden of RSV among older adults in Europe and reflects the shift in RSV epidemiology due to the COVID-19 pandemic, indicating a return to prepandemic seasonality trends.
CLINICAL TRIAL REGISTRATION: Not applicable.