Title: Generalized Pustular Psoriasis Triggered by ChAdOx1nCoV-19 Vaccine: a case reportAuthors:Salviano LMOBreda BJRomiti R (MD, PhD)Hirayama ALS (MD)Arnone M (MD)Institution: Department of Dermatology, Hospital das Clínicas, University of São Paulo, São Paulo (SP), BrazilAddress of Institution:Av. Dr Eneas Carvalho de Aguiar, 255, Cerqueira Cesar,São Paulo, SP, Brazil; Post code: 0540300Corresponding author Livia Maria Oliveira Salvianopostal address: Rua Oscar Freire, 1523, apartment 1523, Pinheiros, São Paulo, Brazil; Post code: 05409010E-mail: liviasalviano@gmail.comTelephone number: +55 62 982518945Count: Manuscript: 474 wordsTables: 2Conflict of interestLivia Maria Oliveira Salviano has no conflict of interest.Bruno Jose Breda has no conflict of interest.Ricardo Romiti , MD, PhD, is/has served as a scientific consultant, speaker, or clinical study investigator for AbbVie, Boehringer Ingelheim, Galderma, Janssen-Cilag, Eli-Lilly, Leo-Pharma, Novartis, Pfizer, TEVA, and UCBAndre Hirayama , MD, is/has served as scientific consultant, speaker, or clinical study investigator for Abbvie, Boeheringer-Ingelheim,Janssen, Lilly, Pharma Novartis, Pfizer and RocheMarcelo Arnone , MD, is/has served as scientific consultant, speaker, or clinical study investigator for Abbvie, Boeheringer-Ingelheim, Glenmark, Janssen, Lilly, Leo-Pharma Novartis, Pfizer and UCB BiopharmaShort running title: Pustular Psoriasis after ChAdOx1nCoV-19