Clinical Practice and Cases in Emergency Medicine

Introduction: Viral laryngotracheobronchitis, or croup, is a common respiratory illness in children that presents with a fever, barking cough, and stridor. The most common viral origin of croup are the parainfluenza viruses.

Case Presentation: Here, we present a case of croup in which the viral panel was negative for all commonly tested viral causes of croup, but positive for coronavirus disease 2019 (COVID-19). Conclusion: This case represents a new report of COVID-19 as the viral origin of croup.