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Methods

The prevalence of SARS-CoV-2 infection in children who are asymptomatic was reported by pediatric otolaryngologists as part of a quality improvement project through May 29, 2020. Reverse transcription–polymerase chain reaction tests for SARS-CoV-2 RNA were performed before surgery, clinic visits, or hospital admissions. In some instances, children may have had symptoms associated with their primary condition that overlapped with symptoms of COVID-19, but testing was not done out of suspicion of SARS-CoV-2 as the primary causative mechanism of illness. Because this was an analysis of deidentified data only, the study was deemed exempt, with a waiver of consent, by the University of California, San Francisco institutional review board.