What ‘case definition’ for respiratory syncytial virus infection? Results of a systematic literature review to improve surveillance among the adults

Abstract Background Human respiratory syncytial virus (hRSV) is a leading cause of acute lower respiratory tract infection in frail individuals, including children, the elderly and immunocompromised people, with mild to severe symptoms. World Health Organization claims hRSV causes most elderly influ...

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Veröffentlicht in:Journal of public health (Oxford, England) England), 2024-08, Vol.46 (3), p.326-334
Hauptverfasser: Amodio, Emanuele, Belluzzo, Miriam, Genovese, Dario, Palermo, Martina, Pisciotta, Vincenzo, Vitale, Francesco
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Sprache:eng
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Zusammenfassung:Abstract Background Human respiratory syncytial virus (hRSV) is a leading cause of acute lower respiratory tract infection in frail individuals, including children, the elderly and immunocompromised people, with mild to severe symptoms. World Health Organization claims hRSV causes most elderly influenza-like illnesses (ILI) and severe acute respiratory infections (SARI). In this study, different case definitions for hRSV surveillance were examined for accuracy. Methods The following search query (‘Respiratory Syncytial Virus’ OR ‘RSV’ OR ‘hRSV’ AND ‘case definition’) was used on PubMed/MEDLINE and Scopus with a 15-year-old baseline age restriction to conduct a systematic literature review. Results Of 12 records, 58% employed the SARI definition, 50% the ILI definition and 42% the acute respiratory infection (ARI) definition, with some overlap. In young adults (18–64 years old), most studies show RSV prevalence between 6.25 and 72.54 cases per 1000 per year, and 19.23 to 98.5 in older adults. The outpatient ARI and hospitalized SARI criteria are particularly sensitive and specific. Conclusions Disease burden measurement requires a clear case definition; however, current literature is questionable. Currently, hRSV surveillance uses numerous case definitions with debatable accuracy. The epidemiology, clinical characteristics, and disease burden of hRSV are difficult to characterize without a standard surveillance case definition.
ISSN:1741-3842
1741-3850
1741-3850
DOI:10.1093/pubmed/fdae066