Analysis of COVID-19-Related Croup and SARS-CoV-2 Variant Predominance in the US.

Lefchak, Brian; Nickel, Amanda; Lammers, Shea; Watson, Dave; Hester, Gabrielle Z; Bergmann, Kelly R · JAMA Netw Open · 2022

cross_sectional · Level IV

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Abstract

This cross-sectional study investigates the association of dominant SARS-CoV-2 variants with COVID-19–related croup.

Medical subject headings