Caller mentioned that she went to an ortho first who thought it was a blood clot through an ultrasound; Caller stated that since then, her left wrist to forearm looked like elephant limbs./From wrist to forearm on left arm looked like an elephant leg; Caller stated that her thumb, pinky, and all of her left fingers were numb/Thumb, small finger, and fingertips on her left hand are all completely numb; X-ray shows inflammation/The area from her wrist to her elbow is still inflamed; Calcification in left arm; Caller stated that since then, her left wrist to forearm looked like elephant limbs./From wrist to forearm on left arm looked like an elephant leg; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 44-year-old female patient received BNT162b2 (BNT162B2), on 22Oct2021 as dose 3 (booster), single (Lot number: FF2589) at the age of 43 years, in left arm for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications. Vaccination history included: BNT162b2 (Dose: 1, Lot Number: EN6203, NDC and Expiry Date: Unknown), administration date: 27Feb2021, when the patient was 42-year-old, for COVID-19 immunization; Bnt162b2 (Dose: 2, Lot Number: EN6208, NDC and Expiry Date: Unknown), administration date: Mar2021, when the patient was 42 years old, for COVID-19 immunization; Bnt162b2 (Had Covid right before having the first dose of the vaccine.), for COVID-19 immunization, reaction(s): "Had Covid right before having the first dose of the vaccine."; Bnt162b2 (Extremely sick after first dose of vaccine), for COVID-19 immunization, reaction(s): "Extremely sick after first dose of vaccine"; Bnt162b2 (Started having a weird feeling in her left arm), administration date: Sep2021, for COVID-19 immunization, reaction(s): "Started having a weird feeling in her left arm"; Bnt162b2 (From wrist to forearm on left arm looked like an elephant leg), administration date: 2021, for COVID-19 immunization, reaction(s): "From wrist to forearm on left arm looked like an elephant leg". The following information was reported: THROMBOSIS (medically significant), outcome "unknown", described as "Caller mentioned that she went to an ortho first who thought it was a blood clot through an ultrasound"; PERIPHERAL SWELLING (non-serious), JOINT SWELLING (non-serious), outcome "unknown" and all described as "Caller stated that since then, her left wrist to forearm looked like elephant limbs./From wrist to forearm on left arm looked like an elephant leg"; HYPOAESTHESIA (non-serious), outcome "unknown", described as "Caller stated that her thumb, pinky, and all of her left fingers were numb/Thumb, small finger, and fingertips on her left hand are all completely numb"; INFLAMMATION (non-serious), outcome "unknown", described as "X-ray shows inflammation/The area from her wrist to her elbow is still inflamed"; CALCIFICATION OF MUSCLE (non-serious), outcome "unknown", described as "Calcification in left arm". The events "caller stated that her thumb, pinky, and all of her left fingers were numb/thumb, small finger, and fingertips on her left hand are all completely numb" required physician office visit. The patient underwent the following laboratory tests and procedures: Computerised tomogram: Result: Calcification in left arm; Unit: Not Provi, notes: Result: Calcification in left arm; Unit: Not Provided; Inflammation: Result: Through the roof; Unit: Not Provided, notes: Result: Through the roof; Unit: Not Provided; Ultrasound scan: Result: No blood clots; Unit: Not Provided, notes: Result: No blood clots; Unit: Not Provided; X-ray: Result: Inflammation in left arm; Unit: Not Provid, notes: Result: Inflammation in left arm; Unit: Not Provided. Clinical course: Received 3 doses of the Pfizer COVID-19 Vaccine last year. Caller stated that her last dose was in Oct2021. Caller stated that since then, her left wrist to forearm looked like elephant limbs. Caller stated that her thumb, pinky, and all of her left fingers were numb. Caller wanted to know if anyone else experienced these side effects. Caller mentioned that she has been through several doctors. Caller mentioned that she went to an ortho first who thought it was a blood clot through an ultrasound. Caller went to a Neurologist who told her to contact us. Caller mentioned that they told him that it's from the vaccine and that they've seen other patients who had the same experience. Caller mentioned that CT Scan showed that there was calcification buildup. Caller mentioned that they told her to contact us to lead her to the right direction. Caller states that she had her first dose of the vaccine 27Feb of last year. States that she had Covid right before she got that vaccine. States she understands that now they tell you to wait 90 days after Covid to get the vaccine, but at that time, they were just telling you to get the vaccine. Caller states that she felt extremely sick after that first vaccine, by the time she started to feel better; it was time for her second vaccine. Caller states that in Sep she started having a weird feeling in her left arm. She received her booster dose of the vaccine on 22Oct2021. Caller states that a week after that, from her wrist up to her forearm on her left arm, looked like an elephant leg. Over 10 days later it was still inflamed, she went to the doctor, and they sent her to orthopaedics. Orthopaedics did x-rays and said it was inflamed. Caller states that she hadn't gotten hurt. Orthopaedics didn't know what it was, so they sent her for an ultrasound to check for blood clots; there was no blood clots. They said she had calcification in her left arm. They started her on pain management. Caller states that her thumb, small finger, and fingertips on her left hand are all completely numb. The area from her wrist to her elbow is still inflamed. She takes unspecified pain medications.   Follow-up attempts are completed. No further information is expected.