Pernio and early SARS-CoV-2 variants: natural history of a prospective cohort and the role of interferon.
Ashley T NgJohn J MoonOlivia R SteidlHailey BussanJennifer M TranGeorge LuongAman NihalMeaghan KenfieldJustin FrereBenjamin R TenOeverAna C Costa da SilvaJacqueline W MaysEdward W CowenBeth A DroletAnne Marie SinghLisa M ArkinPublished in: The British journal of dermatology (2022)
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.