she experienced itchiness on the arm where she received her shot/right arm itching a lot, near upper shoulder; It was irritated and a bleb is still present. Caller says the bleb looks like a scab/bleb in right arm, looks like a scab; Looks like a scab; She scratched it and it was irritated; This is a spontaneous report from a contactable consumer (patient). A 73-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Batch/Lot Number: EN6202, Expiration date: Unknown), via an unspecified route of administration, administered in right arm on 21Mar2021 (at the age of 73-years-old) as dose 2, single for covid-19 immunisation. No additional vaccines administered on same date of the Pfizer suspect. No prior vaccinations were given within 4 weeks. The patient medical history was not reported and there were no concomitant medications. Family medical history relevant to events was none. The patient previously received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Batch/Lot Number: EN6202, Expiration date: Unknown), via an unspecified route of administration, on 28Feb2021 (at the age of 73-years-old) as dose 1, single for covid-19 immunisation. On an unspecified date of 2021, the patient experienced she scratched it and it was irritated. On an unspecified date Mar2021, the patient experienced itchiness on the arm where she received her shot/right arm itching a lot, near upper shoulder, it was irritated, and a bleb was still present. caller says the bleb looks like a scab/bleb in right arm, looks like a scab and looks like a scab. The events resulted in dermatologist visit. Patient has received both doses of the vaccine. After the second dose, she experienced itchiness on the arm where she received her shot. It was irritated and a bleb was still present. Patient says the bleb looks like a scab. Patient would like to know if this has been reported before. Patient shared that she looked at the website and read about the covid circle, looks where someone punched ya. Patient said she went to see a dermatologist who wanted to take a biopsy. The patient wanted to check with the company. She was dependent on others to see the location because it was off the shoulder and is itchy. She said that when she went for her wellness check, her doctor asked what happened to her arm and she finally remembered that's where she rolled up her sleeve and got the Covid shot. Response received: Informed patient that injection site pain/swelling/redness were reported from clinical trials but that a bleb formation was not specifically mentioned. She had two covid shots by Mar2021 and she noticed after the last shot her arm was itching a lot, almost like a mosquito bite. She scratched it and it was irritated. Now she has this bleb in her shoulder the size of a pencil eraser. She went to a dermatologist and they wanted to do a biopsy and she told the dermatologist that is the same area where she got the covid shot. The bleb was weird. Clarified the itching started in Mar after the second dose. Confirmed it does not itch anymore, itching recovered completely about a month ago. Bleb showed up within a couple of days after the second dose, looks like a scab and was still there. Regarding treatment: She stated she will wait a while before doing biopsy. The outcome of the event itchiness on the arm where she received her shot/right arm itching a lot, near upper shoulder was recovered on an unspecified date of Jun2021 and unknown for she scratched it and it was irritated. The outcome of the other events was not recovered.