{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T14:05:59Z","timestamp":1781100359303,"version":"3.54.1"},"reference-count":76,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[2026,6,8]],"date-time":"2026-06-08T00:00:00Z","timestamp":1780876800000},"content-version":"vor","delay-in-days":7,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100004325","name":"AstraZeneca plc","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004325","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,6,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>We aimed to systematically compare globally the health burden associated with human metapneumovirus (hMPV) and respiratory syncytial virus (RSV) respiratory tract infections in adults with chronic illnesses.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We searched MEDLINE, EMBASE, Global Health, CINAHL, Web of Science, and Global Index Medicus on 18 August 2025 and 12 January 2026. We included observational and interventional studies conducted from 2001 onwards, reporting laboratory-confirmed hMPV and RSV infections in adults with chronic illnesses. Quality assessment was conducted using the Joanna Briggs Institute critical appraisal tools. We developed an overall test positivity estimate, using a generalized linear mixed-effects model with a binomial distribution and logit link, including a study-level random intercept and fixed effects for virus, setting, and their interaction. Predicted probabilities and population-average odds ratios (ORs) comparing RSV and hMPV were calculated. Incidence and disease severity outcomes were synthesized narratively due to heterogeneous and limited data. The protocol was registered on Open Science Framework (doi:10.17605\/OSF.IO\/EPB3X).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Fifty studies, reporting on hMPV and RSV test positivity (n = 44; 29,603 laboratory tests), incidence (n = 3), and disease severity outcomes (n = 7), were included. The OR of RSV test positivity versus hMPV in adults with at least 1 chronic illness was 1.88 (95% confidence interval: 1.61\u20132.19) in inpatient settings and 1.65 (1.43\u20131.91) across all settings in studies relying on annual data. Significant differences in RSV versus hMPV test positivity were found for chronic respiratory disease (annual and seasonal analyses), cardiovascular (seasonal), immunocompromised (annual), and hematologic (annual) conditions but not among solid organ transplant recipients (annual). Incidence and severity data demonstrated inconsistent patterns.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Respiratory syncytial virus occurs more frequently than hMPV in adults with chronic illnesses. However, evidence gaps remain regarding comparative disease severity and data from low- and middle-income countries.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/ofid\/ofag343","type":"journal-article","created":{"date-parts":[[2026,6,6]],"date-time":"2026-06-06T11:44:39Z","timestamp":1780746279000},"source":"Crossref","is-referenced-by-count":0,"title":["Comparison of Human Metapneumovirus- and Respiratory Syncytial Virus\u2013Associated Health Burden in Adults With Chronic Underlying Health Conditions: A Global Systematic Review and Meta-analysis"],"prefix":"10.1093","volume":"13","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7680-1168","authenticated-orcid":false,"given":"Durga","family":"Kulkarni","sequence":"first","affiliation":[{"name":"Centre for Global Health, Usher Institute, University of Edinburgh , Edinburgh 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