started getting a few welts or hives on his face; a welt under right cheek that is still prominent and welt like red marks; a welt under right cheek that is still prominent and welt like red marks; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team for a Pfizer sponsored program. The reporter is the parent.  A 23 year-old male patient received bnt162b2 (BNT162B2), administration date Nov2021 (Batch/Lot number: unknown) as dose 1, single for covid-19 immunisation. The patient's relevant medical history was not reported. There were no concomitant medications. The following information was reported: URTICARIA (non-serious) with onset Nov2021, outcome "not recovered", described as "started getting a few welts or hives on his face"; SWELLING FACE (non-serious), ERYTHEMA (non-serious) all with onset Nov2021, outcome "not recovered" and all described as "a welt under right cheek that is still prominent and welt like red marks". Therapeutic measures were taken as a result of urticaria, swelling face, erythema.  Additional Context: Caller reported an AE for his son. Caller stated her son got his first dose of the Pfizer BioNTech COVID-19 vaccine adult formulation (purple cap) at the beginning of Nov2021. Nothing happened in the first couple hours, but after a couple of days he started getting a few welts or hives on his face, sometimes they are a little more 'vivid' and sometimes a little less 'vivid". Transferring agent stated, "I have a consumer on the line declined address. She's calling against to a relative who received Pfizer COVID-19 vaccine one month ago. Approximately about two to three days after she noticed a welt under right cheek that is still prominent and welt like red marks, she noticed one on the right cheek that is still prominent and several on the left that are smaller than the right and she wants to know it is normal. When paraphrased the concern: Reporter stated, "That's correct. That was wondering that if you had anything reported like this. she was trying to give some information on it and coming up like some rashes you know at the site of injection. Of course, but since it run his face she was little bit more concerned and also since it was a skin reaction. She was wondering if there would be any internal reaction. So we should be concerned up or looking for but it definitely during or right after the injection he did not have any type of anaphylactic you know reaction then or they got the whenever they did appear." Reporter stated, "Some topical treatment that's it right now. Cortisone type of product (Further clarifications unknown), only topical nothing injected." When probed Is patient still experiencing adverse event, reporter stated, "Yes he still has hives and welt on his face, yes." Anatomical site of vaccination: Reporter stated, "she believe right. Yes." Prior vaccination (within 4 weeks): Reporter stated, "No, that was his first COVID-19 vaccination. Well he had multiple vaccination (further not clarified) as a child but that day he only has that particular one."  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.