Age: 64.0
Sex: F
Vaccine: COVID19, COVID19, COVID19
Symptoms: Blister, Blister rupture, Contusion, Injection site bruising, Injection site swelling
Clinical narrative: 9 to 10 hour after getting the shot a 3 inches by 2 inches blister developed with  fluid inside and very painful with burning effects, which later developed to open wound it took about 8 days to heal; and very painful/ and till this day I still have occasional sharp pain from the site.; with burning effects; which later developed to open wound it took about 8 days to heal; The scar resembles second degree burn; The scar resembles second degree burn; This is a spontaneous report received from contactable reporter (Other HCP). The reporter is the patient.  A 64 year-old female patient (not pregnant) received bnt162b2 (BNT162B2), administered in arm left, administration date 04Jan2022 11:30 (Lot number: FL3197) at the age of 64 years as dose 3 (booster), single for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications. The patient had no known allergies. There were no other vaccines received in four weeks and no other medications in two weeks. The vaccine was administered in a doctor's office/ urgent care. The patient did not have COVID prior to vaccination. Vaccination history included: Bnt162b2 (DOSE 2, lot number: EL3249, at 10:00 AM, in Left arm), administration date: 26Jan2021, when the patient was 63 years old, for Covid-19 immunization; Bnt162b2 (DOSE 1, lot number: EL0140, at 09:45 AM in left arm), administration date: 05Jan2021, when the patient was 63 years old, for COVID-19 Immunization. The following information was reported: BLISTER (disability) with onset 04Jan2022 22:00, outcome "recovered with sequelae", described as "9 to 10 hour after getting the shot a 3 inches by 2 inches blister developed with  fluid inside and very painful with burning effects, which later developed to open wound it took about 8 days to heal"; PAIN (disability) with onset 04Jan2022 22:00, outcome "recovered with sequelae", described as "and very painful/ and till this day I still have occasional sharp pain from the site."; BURNING SENSATION (disability) with onset 04Jan2022 22:00, outcome "recovered with sequelae", described as "with burning effects"; WOUND (disability) with onset 04Jan2022 22:00, outcome "recovered with sequelae", described as "which later developed to open wound it took about 8 days to heal"; SCAR (disability), BURNS SECOND DEGREE (disability) all with onset 04Jan2022 22:00, outcome "recovered with sequelae" and all described as "The scar resembles second degree burn". The events "9 to 10 hour after getting the shot a 3 inches by 2 inches blister developed with  fluid inside and very painful with burning effects, which later developed to open wound it took about 8 days to heal", "and very painful/ and till this day i still have occasional sharp pain from the site.", "with burning effects", "which later developed to open wound it took about 8 days to heal", "the scar resembles second degree burn" and "the scar resembles second degree burn" were evaluated at the physician office visit. Therapeutic measures were not taken as a result of blister, pain, burning sensation, wound, scar, burns second degree. The patient was not tested for COVID after vaccination.; Sender's Comments: Based on the information provided  and plausible temporal association, the causality between the suspect drug and the events cannot be excluded. The impact of this report on the benefit/risk profile of the Pfizer product is evaluated as part of Pfizer procedures for safety evaluation, including the review and analysis of aggregate data for adverse events. Any safety concern identified as part of this review, as well as any appropriate action in response, will be promptly notified to regulatory authorities, Ethics Committees, and Investigators, as appropriate.