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Riccò M, Corrado S, Bottazzoli M, Marchesi F, Gili R, Bianchi FP, Frisicale EM, Guicciardi S, Fiacchini D, Tafuri S. RSV Infection in Refugees and Asylum Seekers: A Systematic Review and Meta-Analysis. EPIDEMIOLOGIA 2024; 5:221-249. [PMID: 38920751 PMCID: PMC11202732 DOI: 10.3390/epidemiologia5020016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/20/2024] [Accepted: 05/23/2024] [Indexed: 06/27/2024] Open
Abstract
Respiratory diseases, including respiratory syncytial virus (RSV) infections, are common reasons for seeking healthcare among refugees and asylum seekers. A systematic review with meta-analysis was designed to appraise all the available evidence on RSV infections among individuals in refugee camps. Three medical databases (PubMed, Embase, and Scopus) as well as the preprint repository medRxiv.org were searched for eligible observational studies, and the collected cases were pooled in a random-effects meta-analysis model. Heterogeneity was assessed using the I2 statistics. Funnel plots and a regression analysis were calculated for analyzing reporting bias. Eventually, six studies were retrieved from three areas (Bangladesh, Thailand, and Kenya), with pooled estimates of 129.704 cases per 1000 samples (95% CI 66.393 to 237.986) for RSV compared to 110.287 per 1000 people for influenza A (95% CI 73.186 to 162.889), 136.398 cases per 1000 people (95% CI 84.510 to 212.741) for human adenovirus (HAdV), 69.553 per 1000 people (95% CI 49.802 to 96.343) for parainfluenzavirus (PIFV), and 60.338 per 1000 people (95% CI 31.933 to 111.109) for human metapneumovirus (hMPV). Using influenza A as a reference group, the risk for a positive specimen was greater for RSV (relative risk [RR] 1.514, 95% CI 1.396 to 1.641) and HAdV (RR 1.984, 95% CI 1.834 to 2.146) and lower for influenza B (RR 0.276, 95% CI: 0.239 to 0.319), PIFV (RR: 0.889, 95% CI 0.806 to 0.981), and hMPV (RR 0.594, 95% CI 0.534 to 0.662). In summary, high rates of RSV infections were documented among individuals sheltered in refugee camps, stressing the importance of specifically designed preventive strategies.
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Affiliation(s)
- Matteo Riccò
- AUSL–IRCCS di Reggio Emilia, Servizio di Prevenzione e Sicurezza Negli Ambienti di Lavoro (SPSAL), Local Health Unit of Reggio Emilia, 42122 Reggio Emilia, Italy
| | - Silvia Corrado
- ASST Rhodense, Dipartimento Della Donna e Area Materno-Infantile, UOC Pediatria, 20024 Garbagnate Milanese, Italy;
| | - Marco Bottazzoli
- Department of Otorhinolaryngology, APSS Trento, 38122 Trento, Italy
| | - Federico Marchesi
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy;
| | - Renata Gili
- Department of Prevention, Turin Local Health Authority, Via Silvio Pellico 19, 10125 Turin, Italy
| | | | | | - Stefano Guicciardi
- Health Directorate, Local Health Authority of Bologna, 40127 Bologna, Italy
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40127 Bologna, Italy
| | - Daniel Fiacchini
- AST Ancona, Prevention Department, UOC Sorveglianza e Prevenzione Malattie Infettive e Cronico Degenerative, 60127 Ancona, Italy
| | - Silvio Tafuri
- Department of Interdisciplinary Medicine, Aldo Moro University of Bari, 70121 Bari, Italy
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Boattini M, Almeida A, Comini S, Bianco G, Cavallo R, Costa C. From Forgotten Pathogen to Target for New Vaccines: What Clinicians Need to Know about Respiratory Syncytial Virus Infection in Older Adults. Viruses 2024; 16:531. [PMID: 38675874 PMCID: PMC11053843 DOI: 10.3390/v16040531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 03/24/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Respiratory syncytial virus (RSV) is increasingly recognized as being implicated in acute illness in older adults, with a significant weight in hospitalizations for respiratory illness and death. By means of a best-evidence review, this paper aims to investigate whether RSV can be considered a forgotten pathogen in older patients, looking at trends in the literature volume and exploring possible epidemiological and clinical features underlying the focus given to it. We then present an assessment of its disease burden and present and future strategies for its reduction, particularly in light of the recent availability of new vaccines.
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Affiliation(s)
- Matteo Boattini
- Microbiology and Virology Unit, University Hospital Città della Salute e della Scienza di Torino, 10126 Turin, Italy; (G.B.)
- Department of Public Health and Paediatrics, University of Torino, 10126 Turin, Italy
- Lisbon Academic Medical Centre, 1649-028 Lisbon, Portugal
| | - André Almeida
- Department of Internal Medicine 4, Centro Hospitalar Universitário de Lisboa Central, Centro Clínico Académico de Lisboa, 1169-024 Lisbon, Portugal;
- NOVA Medical School, Universidade Nova de Lisboa, Centro Clínico Académico de Lisboa, 1169-056 Lisbon, Portugal
| | - Sara Comini
- Operative Unit of Clinical Pathology, Carlo Urbani Hospital, 60035 Jesi, Italy
| | - Gabriele Bianco
- Microbiology and Virology Unit, University Hospital Città della Salute e della Scienza di Torino, 10126 Turin, Italy; (G.B.)
- Department of Public Health and Paediatrics, University of Torino, 10126 Turin, Italy
- Department of Experimental Medicine, University of Salento, Via Provinciale Monteroni n. 165, 73100 Lecce, Italy
| | - Rossana Cavallo
- Microbiology and Virology Unit, University Hospital Città della Salute e della Scienza di Torino, 10126 Turin, Italy; (G.B.)
- Department of Public Health and Paediatrics, University of Torino, 10126 Turin, Italy
| | - Cristina Costa
- Microbiology and Virology Unit, University Hospital Città della Salute e della Scienza di Torino, 10126 Turin, Italy; (G.B.)
- Department of Public Health and Paediatrics, University of Torino, 10126 Turin, Italy
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Riccò M, Parisi S, Corrado S, Marchesi F, Bottazzoli M, Gori D. Respiratory Syncytial Virus Infections in Recipients of Bone Marrow Transplants: A Systematic Review and Meta-Analysis. Infect Dis Rep 2024; 16:317-355. [PMID: 38667752 PMCID: PMC11050314 DOI: 10.3390/idr16020026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 03/18/2024] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
Human Respiratory Syncytial Virus (RSV) is a common cause of respiratory tract infections. Usually associated with infants and children, an increasing amount of evidence suggests that RSV can cause substantial morbidity and mortality in immunocompromised individuals, including recipients of bone marrow transplantation (BMT). The present systematic review was therefore designed in accordance with the PRISMA guidelines to collect available evidence about RSV infections in BMT recipients. Three medical databases (PubMed, Embase, and MedRxiv) were therefore searched for eligible observational studies published up to 30 September 2023 and collected cases were pooled in a random-effects model. Heterogeneity was assessed using I2 statistics. Reporting bias was assessed by means of funnel plots and regression analysis. Overall, 30 studies were retrieved, including 20,067 BMT cases and 821 RSV infection episodes. Of them, 351 were lower respiratory tract infections, and a total of 78 RSV-related deaths were collected. A pooled attack rate of 5.40% (95% confidence interval [95%CI] 3.81 to 7.60) was identified, with a corresponding incidence rate of 14.77 cases per 1000 person-years (95%CI 9.43 to 20.11), and a case fatality ratio (CFR) of 7.28% (95%CI 4.94 to 10.60). Attack rates were higher in adults (8.49%, 95%CI 5.16 to 13.67) than in children (4.79%, 95%CI 3.05 to 7.45), with similar CFR (5.99%, 95%CI 2.31 to 14.63 vs. 5.85%, 95%CI 3.35 to 10.02). By assuming RSV attack rates as a reference group, influenza (RR 0.518; 95%CI 0.446 to 0.601), adenovirus (RR 0.679, 95%CI 0.553 to 0.830), and human metapneumovirus (RR 0.536, 95%CI 0.438 to 0.655) were associated with a substantially reduced risk for developing corresponding respiratory infection. Despite the heterogeneous settings and the uneven proportion of adult and pediatric cases, our study has identified high attack rates and a substantial CFR of RSV in recipients of BMT, stressing the importance of specifically tailored preventive strategies and the need for effective treatment options.
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Affiliation(s)
- Matteo Riccò
- AUSL–IRCCS di Reggio Emilia, Servizio di Prevenzione e Sicurezza Negli Ambienti di Lavoro (SPSAL), Local Health Unit of Reggio Emilia, 42122 Reggio Emilia, Italy
| | | | - Silvia Corrado
- ASST Rhodense, Dipartimento della donna e Area Materno-Infantile, UOC Pediatria, 20024 Milan, Italy;
| | - Federico Marchesi
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
| | - Marco Bottazzoli
- Department of Otorhinolaryngology, APSS Trento, 38122 Trento, Italy
| | - Davide Gori
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy
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Riccò M, Baldassarre A, Corrado S, Bottazzoli M, Marchesi F. Respiratory Syncytial Virus, Influenza and SARS-CoV-2 in Homeless People from Urban Shelters: A Systematic Review and Meta-Analysis (2023). EPIDEMIOLOGIA 2024; 5:41-79. [PMID: 38390917 PMCID: PMC10885116 DOI: 10.3390/epidemiologia5010004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 01/20/2024] [Accepted: 01/23/2024] [Indexed: 02/24/2024] Open
Abstract
Homeless people (HP) are disproportionally affected by respiratory disorders, including pneumococcal and mycobacterial infections. On the contrary, more limited evidence has been previously gathered on influenza and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), and very little is known about the occurrence of human respiratory syncytial virus (RSV), a common cause of respiratory tract infections among children and the elderly. The present systematic review was designed to collect available evidence about RSV, influenza and SARS-CoV-2 infections in HP, focusing on those from urban homeless shelters. Three medical databases (PubMed, Embase and Scopus) and the preprint repository medRxiv.org were therefore searched for eligible observational studies published up to 30 December 2023, and the collected cases were pooled in a random-effects model. Heterogeneity was assessed using the I2 statistics. Reporting bias was assessed by funnel plots and a regression analysis. Overall, 31 studies were retrieved, and of them, 17 reported on the point prevalence of respiratory pathogens, with pooled estimates of 4.91 cases per 1000 HP (95%CI: 2.46 to 9.80) for RSV, 3.47 per 1000 HP for influenza and 40.21 cases per 1000 HP (95%CI: 14.66 to 105.55) for SARS-CoV-2. Incidence estimates were calculated from 12 studies, and SARS-CoV-2 was characterized by the highest occurrence (9.58 diagnoses per 1000 persons-months, 95%CI: 3.00 to 16.16), followed by influenza (6.07, 95%CI: 0.00 to 15.06) and RSV (1.71, 95%CI: 0.00 to 4.13). Only four studies reported on the outcome of viral infections in HP: the assessed pathogens were associated with a high likelihood of hospitalization, while high rates of recurrence and eventual deaths were reported in cases of RSV infections. In summary, RSV, influenza and SARS-CoV-2 infections were documented in HP from urban shelters, and their potential outcomes stress the importance of specifically tailored preventive strategies.
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Affiliation(s)
- Matteo Riccò
- AUSL-IRCCS di Reggio Emilia, Servizio di Prevenzione e Sicurezza Negli Ambienti di Lavoro (SPSAL), Local Health Unit of Reggio Emilia, 42122 Reggio Emilia, Italy
| | - Antonio Baldassarre
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy
| | - Silvia Corrado
- ASST Rhodense, Dipartimento della Donna e Area Materno-Infantile, UOC Pediatria, 20024 Milan, Italy
| | - Marco Bottazzoli
- Department of Otorhinolaryngology, APSS Trento, 38122 Trento, Italy
| | - Federico Marchesi
- Department of Medicine and Surgery, University of Parma, 43126 Parma, Italy
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Treggiari D, Pomari C, Zavarise G, Piubelli C, Formenti F, Perandin F. Characteristics of Respiratory Syncytial Virus Infections in Children in the Post-COVID Seasons: A Northern Italy Hospital Experience. Viruses 2024; 16:126. [PMID: 38257826 PMCID: PMC10820224 DOI: 10.3390/v16010126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/11/2024] [Accepted: 01/14/2024] [Indexed: 01/24/2024] Open
Abstract
BACKGROUND Public health measures for COVID-19 mitigation influenced the circulation of Respiratory Syncytial Virus (RSV) during the 2020-2021 winter season. In the following autumn, an unprecedented resurgence of RSV occurred. Our study monitored RSV pediatric infections one and two years after the relaxation of containment measures for the COVID-19 pandemic. METHODS We analyzed diagnostic molecular data for SARS-CoV-2, flu, and RSV infections and clinical data from children with respiratory symptoms referring to our hospital during the 2021-2022 and 2022-2023 seasons. RESULTS In the 2021-2022 season, the number of RSV-affected children was very high, especially for babies <1 year. The outbreak appeared in a shorter interval of time, with a high clinical severity. In the 2022-23 season, a reduced number of infected pediatric patients were detected, with a similar hospitalization rate (46% vs. 40%), and RSV accounted for 12% of the infections. Coinfections were observed in age <2 years. In RSV patients, symptoms were similar across the two seasons. CONCLUSIONS The clinical presentation of RSV in the two post-COVID seasons suggests that the pathophysiology of the virus did not change across these two years. Further studies are needed to continuously monitor RSV to support an effective prevention strategy.
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Affiliation(s)
- Davide Treggiari
- Department of Tropical, Infectious Diseases and Microbiology, IRCCS Sacro Cuore-Don Calabria Hospital, 37024 Negrar di Valpolicella, Verona, Italy; (F.F.); (F.P.)
| | - Chiara Pomari
- Andrus Center, University of Southern California, Los Angeles, CA 90089, USA;
| | - Giorgio Zavarise
- Department of Pediatrics, IRCCS Sacro Cuore-Don Calabria Hospital, 37024 Negrar di Valpolicella, Verona, Italy;
| | - Chiara Piubelli
- Department of Tropical, Infectious Diseases and Microbiology, IRCCS Sacro Cuore-Don Calabria Hospital, 37024 Negrar di Valpolicella, Verona, Italy; (F.F.); (F.P.)
| | - Fabio Formenti
- Department of Tropical, Infectious Diseases and Microbiology, IRCCS Sacro Cuore-Don Calabria Hospital, 37024 Negrar di Valpolicella, Verona, Italy; (F.F.); (F.P.)
| | - Francesca Perandin
- Department of Tropical, Infectious Diseases and Microbiology, IRCCS Sacro Cuore-Don Calabria Hospital, 37024 Negrar di Valpolicella, Verona, Italy; (F.F.); (F.P.)
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