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      Induction and exacerbation of subacute cutaneous lupus erythematosus following mRNA‐based or adenoviral vector‐based SARS‐CoV‐2 vaccination

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          Abstract

          Evidence is accumulating that COVID‐19 vaccines might induce or exacerbate autoimmune rheumatic diseases. The currently available COVID‐19 vaccines include mRNA and recombinant adenoviral vector vaccines, both encoding SARS‐CoV‐2 spike protein production as the primary target for neutralizing antibodies. We report a case of subacute cutaneous lupus erythematosus (SCLE) following mRNA vaccination with the Pfizer mRNA vaccine BNT162b2, and summarize the current literature on CLE occurring after COVID‐19 vaccination.

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          Cutaneous Reactions Reported after Moderna and Pfizer COVID-19 Vaccination: A Registry-Based Study of 414 Cases

          Background Cutaneous reactions after mRNA-based COVID-19 vaccines have been reported but are not well characterized. Objective To evaluate morphology and timing of cutaneous reactions after mRNA COVID-19 vaccines. Methods A provider-facing registry-based study collected cases of cutaneous manifestations after COVID-19 vaccination. Results From December 2020-February 2021, we recorded 414 cutaneous reactions to mRNA COVID-19 vaccines from Moderna (83%) and Pfizer (17%). Delayed large local reactions were most common, followed by local injection site reactions, urticarial eruptions, and morbilliform eruptions. Forty-three percent of patients with first dose reactions experienced second dose recurrence. Limitations Registry analysis does not measure incidence. Morphologic misclassification is possible. Conclusion We report a spectrum of cutaneous reactions after COVID-19 mRNA vaccines. Most patients with first dose reactions did not develop a second dose reaction, and no patients in the registry developed serious adverse events after the first or second dose. These data provide reassurance to patients and providers.
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            COVID-19 vaccines: modes of immune activation and future challenges

            The new vaccines against SARS-CoV-2 are novel in terms of specificity, their wide dissemination across the global population and the inclusion of newly licensed mRNA platforms. We discuss here how the approved vaccines trigger innate immunity to promote durable immunological memory and consider the future implications of protecting populations with these vaccines.
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              Prompt onset of Rowell's syndrome following the first BNT162b2 SARS‐CoV‐2 vaccination

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                Author and article information

                Contributors
                alexander.kreuter@helios-gesundheit.de
                Journal
                Clin Exp Dermatol
                Clin Exp Dermatol
                10.1111/(ISSN)1365-2230
                CED
                Clinical and Experimental Dermatology
                John Wiley and Sons Inc. (Hoboken )
                0307-6938
                1365-2230
                13 September 2021
                13 September 2021
                : 10.1111/ced.14858
                Affiliations
                [ 1 ] Department of Dermatology, Venereology and Allergology HELIOS St Elisabeth Hospital Oberhausen University Witten/Herdecke Witten Germany
                [ 2 ] Institute of Pathology Mülheim an der Ruhr Germany
                Author information
                https://orcid.org/0000-0003-2275-499X
                Article
                CED14858
                10.1111/ced.14858
                8444843
                34291477
                a0ba42ca-e5b2-48c3-9896-67a5dc10038a
                © 2021 British Association of Dermatologists

                This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.

                History
                : 19 July 2021
                : 15 July 2021
                : 20 July 2021
                Page count
                Figures: 2, Tables: 1, Pages: 3, Words: 2468
                Categories
                Letter to the Editor
                Correspondence
                Custom metadata
                2.0
                corrected-proof
                Converter:WILEY_ML3GV2_TO_JATSPMC version:6.0.7 mode:remove_FC converted:16.09.2021

                Dermatology
                Dermatology

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