Pernio and early SARS-CoV-2 variants: natural history of a prospective cohort and the role of interferon

Ng AT, Moon JJ, Steidl OR, Bussan H, Tran JM, Luong G, Nihal A, Kenfield M, Frere J, TenOever BR, Costa da Silva AC, Mays JW, Cowen EW, Drolet BA, Singh AM, Arkin LM

10.1111/bjd.21693 06/07/2022

PMID: 35653263


Cases of new-onset pernio and recurrences in our cohort align tightly with trends in mean 7-day COVID-19 positivity in Wisconsin and mean temperature in Madison, Wisconsin by month.