first Pfizer Covid-19 vaccine on 25Feb2021 and second vaccination on 04Mar2021; dizziness; slight itch; Knot in arm/swelled like a big knot; warm to touch/feel a little warmness; headache/Headache in the back of her head; chills; fever; swelling of the arm; redness around the injection site; nausea; Soreness in arm; This is a spontaneous report from a contactable consumer. A 67.5-year-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Batch/Lot Number: EL9265), dose 2 via an unspecified route of administration, administered in Arm Right on 04Mar2021 at 15:00 (at the age of 67.5 year) as dose 2, single for COVID-19 immunisation. Medical history included ongoing hypertension (at least 30 years she has been taking BP meds). No vaccine prior Vaccinations (within 4 weeks). The patient previously received BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection), dose 1 on 25Feb2021 (at the age of 67.5 year) for COVID-19 immunisation. On 05Mar2021, Consumer experienced headache, chills and fever. Consumer stated the chills were so bad her sheets were wet. Consumer also reported swelling of the arm and redness around the injection site. Consumer stated the next day, the swelling of her arm was even bigger. She reported still having chills, nausea, and fever. The 3rd day, consumer reported slight headache not much nausea, not so much chills. Then the day after, slight chills and fever. Earlier today, 09Mar2021, caller reported slight chills, slight dizziness, and a headache in the back of her head around 04:00. As of now, at 11:39 today, caller reports no problems. Caller stated, "I feel better and I'm moving around. Consumer stated that she had read that the symptoms typically only last 3-4 days, but last night she still has this going on, not as bad as been going on. However, due to fever she was unable to go to work. She stated that yesterday and last night she had chills but they weren't as bad as the first 2 days. Swelling in arm: Caller stated that swelling was gone but she still has a knot in her arm when she rubs it. She stated that it had swelled like a big knot and was warm to touch in that area. On 08Mar2021, consumer stated that yesterday and some part of this morning, there was a slight itch, but does not feel warm to touch like it did the first day or so. If rub it she can feel like a knot and can tell the difference. It is kind of sore now. Caller unable to provide a stop date of the swelling in her arm. Consumer stated that the redness was gone and was unable to provide an exact date when the redness subsided. She mentioned she could feel a little warmness as of yesterday morning but does not feel it anymore. On 04Mar2021, Consumer stated that the first night after receiving the Covid-19 vaccine, she could feel soreness in arm when laying on it and was unable to lay on that side. She was unsure of the exact time of onset. Consumer stated that the headache is at the back of her head. Caller still had slight headache on Sunday morning upon waking but it went away that day. When got up to sit up she was okay, she did not feel it anymore that day. This was like 4'clock in the morning she realized it was gone. The patient did not receive any treatment for events. The outcome of events feeling of warmth, Vaccination site erythema, Swelling arm, Headache was recovered, for itch and inappropriate schedule of vaccine administered was unknown while for rest events was unknown.  No follow-up attempts are possible, information about lot/batch number cannot be obtained.