Prevalence and Predictors of Concomitant Bacterial Infections in Patients With Respiratory Viruses in Ontario: A Cohort Study.

IF 3.8 4区 医学 Q2 IMMUNOLOGY
Open Forum Infectious Diseases Pub Date : 2024-12-03 eCollection Date: 2024-12-01 DOI:10.1093/ofid/ofae701
Yue Wang, Sarah Swayze, Kevin A Brown, Derek R MacFadden, Samantha M Lee, Kevin L Schwartz, Nick Daneman, Bradley J Langford
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引用次数: 0

Abstract

Background: To investigate the prevalence of concomitant bacterial infection across common viral infections.

Methods: This population-based cohort study included patients infected with influenza A and B (FLUA, FLUB) and respiratory syncytial virus (RSV) in Ontario between 2017 and 2019 and patients with SARS-CoV-2 between 2020 and 2021. Specific bacteria present in concomitant infections were identified. Concomitant infections were further classified into different categories (eg, coinfection -2 to +2 days from viral infection and secondary infection >2 days after viral infection). We used logistic regression models to estimate the odds of bacterial infections for FLUA, FLUB, and RSV relative to SARS-CoV-2 while adjusting for confounders.

Results: A total of 4230 (0.5%, 885 004) viral cases had concomitant bacterial infections, encompassing 422 of FLUB (4.7%, 8891), 861 of FLUA (3.9%, 22 313), 428 of RSV (3.4%, 12 774), and 2519 of COVID-19 (0.3%, 841 026). The most prevalent species causing concomitant bacterial infection were Staphylococcus aureus, Streptococcus pyogenes, and Pseudomonas aeruginosa. When compared with SARS-CoV-2, the adjusted odds ratio for bacterial infection was 1.69 (95% CI, 1.48-1.93) for FLUA, 2.30 (95% CI, 1.97-2.69) for FLUB, and 1.56 (95% CI, 1.33-1.82) for RSV. The adjusted odds of coinfection in patients with SARS-CoV-2 were lower but higher for secondary infection as compared with the other viruses.

Conclusions: A higher prevalence and risk of concomitant bacterial infection were found in FLUA, FLUB, and RSV as compared with SARS-CoV-2, although this is largely driven by coinfections. Ongoing surveillance efforts are needed to compare the risk of concomitant infections during periods when these viruses are cocirculating.

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来源期刊
Open Forum Infectious Diseases
Open Forum Infectious Diseases Medicine-Neurology (clinical)
CiteScore
6.70
自引率
4.80%
发文量
630
审稿时长
9 weeks
期刊介绍: Open Forum Infectious Diseases provides a global forum for the publication of clinical, translational, and basic research findings in a fully open access, online journal environment. The journal reflects the broad diversity of the field of infectious diseases, and focuses on the intersection of biomedical science and clinical practice, with a particular emphasis on knowledge that holds the potential to improve patient care in populations around the world. Fully peer-reviewed, OFID supports the international community of infectious diseases experts by providing a venue for articles that further the understanding of all aspects of infectious diseases.
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