Respiratory Syncytial Virus During the COVID-19 Pandemic Compared to Historic Levels: A Retrospective Cohort Study of a Health System.

Abstract

Background

Surveillance in 2020-2021 showed that seasonal respiratory illnesses were below levels seen during prior seasons, with the exception of interseasonal respiratory syncytial virus (RSV).

Methods

Electronic health record data of infants aged <1 year visiting the Duke University Health System from 4 October 2015 to 28 March 2020 (pre-COVID-19) and 29 March 2020 to 30 October 2021 (COVID-19) were assessed. International Classification of Diseases-Tenth Revision (ICD-10) codes for RSV (B97.4, J12.1, J20.5, J21.0) and bronchiolitis (RSV codes plus J21.8, J21.9) were used to detail encounters in the inpatient (IP), emergency department (ED), outpatient (OP), urgent care (UC), and telemedicine (TM) settings.

Results

Pre-COVID-19, 88% of RSV and 92% of bronchiolitis encounters were seen in ambulatory settings. During COVID-19, 94% and 93%, respectively, occurred in ambulatory settings. Pre-COVID-19, the highest RSV proportion was observed in December-January (up to 38% in ED), while the peaks during COVID-19 were seen in July-September (up to 41% in ED) across all settings. RSV laboratory testing among RSV encounters was low during pre-COVID-19 (IP, 51%; ED, 51%; OP, 41%; UC, 84%) and COVID-19 outside of UC (IP, 33%; ED, 47%; OP, 47%; UC, 87%). Full-term, otherwise healthy infants comprised most RSV encounters (pre-COVID-19, up to 57% in OP; COVID-19, up to 82% in TM).

Conclusions

With the interruption of historical RSV epidemiologic trends and the emergence of interseasonal disease during COVID-19, continued monitoring of RSV is warranted across all settings as the changing RSV epidemiology could affect the distribution of health care resources and public health policy.

Department

Description

Provenance

Citation

Published Version (Please cite this version)

10.1093/infdis/jiac220

Publication Info

Movva, Naimisha, Mina Suh, Heidi Reichert, Bradley Hintze, Mark P Sendak, Zachary Wolf, Shannon Carr, Tom Kaminski, et al. (2022). Respiratory Syncytial Virus During the COVID-19 Pandemic Compared to Historic Levels: A Retrospective Cohort Study of a Health System. The Journal of infectious diseases, 226(Supplement_2). pp. S175–S183. 10.1093/infdis/jiac220 Retrieved from https://hdl.handle.net/10161/25642.

This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal.

Scholars@Duke

Wood

Charles Thomas Wood

Assistant Professor of Pediatrics

Dr. Wood’s research focuses on interventions to prevent obesity during early childhood. His approaches include behavior change strategies, clinical risk prediction tools, and electronic health record clinical decision support. He examines the interactions between appetitive behaviors, feeding strategies, and childhood adiposity to develop pragmatic interventions in the primary care setting. Dr. Wood is involved in teaching and clinical care in the primary care and inpatient newborn settings. He maintains broad engagement in both observational and interventional research relevant to the practice of evidence-based pediatric primary care.

Malcolm

William Ferris Malcolm

Professor of Pediatrics

Gastro-esophageal reflux in premature infants
Feeding problems in preterm and high risk infants
Feeding and respiratory problems in infants with vocal cord dysfunction
Neonatal morbidities affecting neuro-developmental outcome in preterm infants
Interventions improving neuro-developmental outcome in high risk infants
Neonatal abstinence syndrome
Convalescent and follow-up care of high risk infants


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