Psoriasis; This is a spontaneous report received from a Nurse. A 45-year-old female patient received BNT162b2 (BNT162B2), as dose 3 (booster), single (Batch/Lot number: unknown), in left arm for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications. Vaccination history included: comirnaty (Dose 1; lot: EL9262), administration date: 21Jan2021, when the patient was 45-year-old, for COVID-19 immunization; comirnaty (Dose 2; lot: EM9809), administration date: 11Feb2021, when the patient was 45-year-old, for COVID-19 immunization. The following information was reported: PSORIASIS (non-serious) with onset Aug2021, outcome “unknown”. Additional information: The patient called because she developed psoriasis after she took Pfizer COVID-19 Vaccine. Patient confirmed that she does not have psoriasis before she took it and then after she took the Pfizer Covid vaccine, she developed it.