Croup during the Coronavirus Disease 2019 Omicron Variant Surge.

Tunҫ, Emine M; Koid Jia Shin, Cassandra; Usoro, Etiowo; Thomas-Smith, Siobhan E; Trehan, Indi; Migita, Russell T; Keilman, Ashley E · J Pediatr · 2022

retrospective_cohort · Level III

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Abstract

We conducted a retrospective review of medical records of patients with croup seen during the coronavirus disease 2019 pandemic. Approximately 50% underwent testing for severe acute respiratory syndrome coronavirus 2. During the Delta wave, 2.8% of those tested were positive for severe acute respiratory syndrome coronavirus 2; this increased to 48.2% during the Omicron wave, demonstrating a strong correlation between the Omicron variant and croup.

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