ArticleJournal of the American College of Emergency Physicians open2026
Concurrent Viral Transmission and Wildfire Smoke Events Following COVID-19 Pandemic School Closures in New York City: Associations of a Large Natural Experiment With Acute Care for Pediatric Asthma, 2018-2023.
Article in Journal of the American College of Emergency Physicians open, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
9 authors.
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Abstract
Objectives: Pediatric asthma is multifactorial: social, environmental, and infectious exposures trigger exacerbations. School COVID-19 policies, including closures, mask mandates, and reopenings, provide a natural experiment to discover associations between the severity of pediatric asthma exacerbations, viral transmission, and exposure to wildfire smoke. We investigated the epidemiology of acute unscheduled care for asthma in children aged 5 to 17 years, including emergency department (ED) visits, hospital and intensive care unit (ICU) admissions, and viral testing. Methods: This observational study used a retrospective review of all electronic health records from New York City's largest health system over 5 school years, from 2018 to 2023. Comparison groups included citywide surveillance data and all-cause visits. We investigated population-level exposures, including COVID-19 mitigation policies and wildfire smoke events. Results: In the postpandemic period, fewer children presented to the ED for asthma ( Conclusion: Viral transmission and school policies were associated with pediatric asthma exacerbations during and after the COVID-19 pandemic. Increased acuity, despite lower volumes, may help guide health systems as they strive to increase readiness to care for pediatric populations in response to future pandemics or environmental exposures.
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