Anatomical Location: Leg Left; started itching behind both of her knees/thought it was general eczema; started itching behind both of her knees/thought it was general eczema; hives on the back of her knees and extended beyond the back of her knees; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the parent.  A 9-year-old female patient (not pregnant) received BNT162b2 (BNT162B2), on 03Aug2022 at 09:45 as dose 1 (orange cap), single (Lot number: FL8094) at the age of 9 years, in left leg for covid-19 immunisation. The patient's relevant medical history included: "Food allergies" (unspecified if ongoing), notes: has a history of life threatening food allergies, allergy to pets and seasonal allergies; "Allergy to pets/ Known allergies: pets" (unspecified if ongoing), notes: has a history of life threatening food allergies, allergy to pets and seasonal allergies; "Seasonal allergies/ Known allergies: seasonal" (unspecified if ongoing), notes: has a history of life threatening food allergies, allergy to pets and seasonal allergies; "Known allergies: all major allergens (proteins)" (unspecified if ongoing), notes: Known allergies: all major allergens (proteins). There were no concomitant medications.  The following information was reported: URTICARIA (non-serious) with onset 03Aug2022, outcome "recovering", described as "hives on the back of her knees and extended beyond the back of her knees"; PRURITUS (non-serious), ECZEMA (non-serious) all with onset 03Aug2022, outcome "recovering" and all described as "started itching behind both of her knees/thought it was general eczema"; PRODUCT ADMINISTERED AT INAPPROPRIATE SITE (non-serious) with onset 03Aug2022 at 09:45, outcome "unknown", described as "Anatomical Location: Leg Left". The events "started itching behind both of her knees/thought it was general eczema" and "hives on the back of her knees and extended beyond the back of her knees" required physician office visit. Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of pruritus, eczema, urticaria.  Additional information: It was reported as started itching behind both of her knees after about 5 minutes after receiving the vaccination. (Patient name withheld) mom applied hydrocortisone as she thought it was general eczema and notified the nurse in the meanwhile. By the time (within the next minute) the nurse got in to check on, (Patient name withheld) developed hives on the back of her knees and extended beyond the back of her knees. (Patient name withheld) was administered Benadryl and supervised for the next hour and half or so, while continuing to keep a check on her vitals and oxygen saturation. At Doctor's office/urgent care facility most recent COVID-19 vaccine was administered. patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. Prior to vaccination, patient was not diagnosed with COVID-19. Since the vaccination, patient has not tested for COVID-19. The patient did not received any other medications within two weeks prior to the vaccination.  No follow-up attempts are possible. No further information is expected.