key: cord-0921497-dcraq4ur authors: Wei, Nancy; Kresch, Mindy; Elbogen, Emily; Lebwohl, Mark title: New Onset and Exacerbation of Psoriasis After COVID-19 Vaccination date: 2021-11-29 journal: JAAD Case Rep DOI: 10.1016/j.jdcr.2021.11.016 sha: 4d1544529fc491fbebd3f0014e57edf0542ba784 doc_id: 921497 cord_uid: dcraq4ur nan A retrospective review of the CDC VAERS of all reports from December 2020-August 2021 was 57 conducted using the search terms "psoriasis", "guttate psoriasis", "erythrodermic psoriasis". Reports that were related to a non-COVID 19 vaccine such as for herpes zoster or influenza were 59 excluded from analysis. Reports that did not provide enough clinical information such as time to 1 Includes "biopsy", "biopsy skin" and "biopsy skin abnormal" 198 New onset guttate psoriasis following 152 pandemic H1N1 influenza vaccination Widespread psoriasis flare following influenza vaccination. Vaccine Psoriasis triggered by tetanusdiphtheria vaccination Generalized exacerbation of 162 psoriasis vulgaris induced by pneumococcal polysaccharide vaccine Double trouble: influenza and pneumococcal 166 vaccine exacerbation of psoriasis in a new-onset polycythemia vera patient Cutaneous reactions reported after Moderna 177 and Pfizer COVID-19 vaccination: A registry-based study of 414 cases TH17 responses in cytokine storm of COVID-19: An emerging target of 180 JAK2 inhibitor Fedratinib Center for Disease Control (CDC) Vaccine Adverse Events Reporting System (VAERS)