Temperature 101.7; Back pain/pain in her back; Right upper jaw pain that felt like sinus; Heart rate 130's; Oxygen Saturation dropping; Headache/head felt like it would explode; Ringing in the ears; Thighs are burning; calf pain/Calves were sore in back; Calves were sore in back and felt like DVT; Chest pressure; she sound like a hypochondriac; flu like symptoms; can barely walk; Nausea; Shivering; weak; felt miserable; dry hives; This is a spontaneous report from a contactable Nurse reporting for herself. A 60-year-old female patient received the second dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE) Batch/lot number: EL1283, Expiry Date: 30Nov2021, intramuscularly into right deltoid on 11Jan2021 07:15 at single dose at the hospital for Precaution as frontline healthcare worker. Medical history included Wolff-Parkinson-White (WPW) syndrome from 2000, heart surgery in the past on unknown date, had surgery that was in 2000. Years of chest pain and PVC after that; allergic to Sulfa with hives: One time she mixed it up with a medication of her sons and took it by mistake and did not realize it and she did not have any reaction, she has not had in years. It was an injection and she doesn't have the name, lot or expiration. Family medical history included Mother was diabetic and sister was prediabetic and was 61. There were no concomitant medications. The patient previously received the first dose of BNT162B2 (Lot E49899) on 18Dec2020 at 10:30 am injected in Right Deltoid for COVID-19 immunisation and experienced shivering; same body aches, she took TYLENOL; had major headache all night long, all over her head; It was a pressure headache; Someone gave her MOTRIN and within 3 hours she was totally fine. The patient stated she received the Pfizer COVID vaccine second dose on 11Jan2021 and has had problems since then. She has been miserable, took paracetamol (TYLENOL), headache, have ringing the ears, head was exploding, back aches, calf pain, temperature at 8 am 101.7 and 101.7 at 10:40 on 12Jan2021, feeling very weak, nausea, dry hives, Right upper jaw pain that felt like sinus, all in Jan2021. Her heart rate was in the 130's at 3:30-4:00 on 12Jan2021 and now down to 115-108. Her Oxygen saturation has been 91-95 %. She just had a miserable night (Jan2021). She had this pressure in her chest. Her heart rate was 130 and O2 was 93%. Her O2 saturation last night (on 11Jan2021) was 91-94%, mostly about 93%. Chest Pressure began around 3am on 12Jan2021. She called healthcare provider and was waiting to get advice from them if she needs an EKG. She was still having a little bit of mild pressure. She noticed that her oxygenation was 93% when this was happening. It went up to 95% for a second last night. Her heart rate was now between 112-115. When she walked, it went to 125-130. It started around 3:30-4:00 this morning (on 12Jan2021) and was mildly improved. she was feeling the chest pressure back pain had lesson, but had pain in the upper jaw, flu like symptoms on 12Jan2021. she said she could not get out of the bed right. She did have a heart surgery in the past, her legs were burring, and week. she said after the first dose she did had a reaction but took MOTRIN and went to work the next day. The patient wanted to know about the heart rate being high and ringing in the ears. She wanted to know if it was supposed to drop your saturation and increase your heart rate. Is she just behaving like the norm or should her O2 be much higher. Her first shot was not as bad as this reaction. There was no prescriber. The temperature just began now as she just took it. Oxygen Saturation dropping began when she woke up in middle of night around 3:30- 4:00. She used her pulse oximeter and noticed it then. It was associated with her ears ringing and her head felt like it would explode at 3:30 on 12Jan2021. She felt better with headache but still had it. She was so weak on 12Jan2021, she did not want to go anywhere. Her oxygenation had worsened to 93% on average. She had a headache last time but did not have ringing in her ears. She woke up about 3:30 with it. The headache now was all over head from front to back and comes and goes. Last time she went to work after receiving the first one and today (on 12Jan2021), there was no way she could go to work. She took TYLENOL when she got home because she was shivering and took more at 3:30 because she felt miserable because of her chest. She took 1 gram. Her headache did not go away. She got to sleep after she took the TYLENOL. Her back and jaw was bothering her. It felt like the flu. She had upper jaw pain and pain in her back. She didn't have a good back and just aches. After the first one, it took 10 hours for the shivering to start. This time it was very similar. The shivering started about 10 hours later, at 9pm on 11Jan2021. Back pain starting at 05:00 on 12Jan2021 was stated as being sharp on right side scapula and feel like the flu. It is to the right of spinal vertebrae. She thought she would go to bed and lie down. She has had back pain before. The jaw pain started around 05:00 on 12Jan2021. She felt it in her cheek. It was a little bit better. Nausea started at 11:00 pm on 11Jan2021 and got worse at 03:30 when she got up to go to the bathroom around midnight. She felt like she could vomit and felt better, but she couldn't. Her thighs were burning at 03:30 on 12Jan2020. It was persistent weak and burning. She can barely walk. The areas that have hurt like when you get the flu, she was having now in the same places, so she thought it was from the shot. Calves were sore in back and felt like a DVT (Deep vein thrombosis), started at 03:30 of 12Jan2021 and was still sore. She said she sound like a hypochondriac. It was in back of calf towards knee. She did not think it was a blood clot. It was feeling better. It was still sore but nothing like it was at 03:30. It is just an odd pain. She did not want to leave the house and surprised that her oxygen saturation was low. She just wanted to go back to sleep for a bit. Oxygen Saturation dropping was reported as worsened. The outcome of events Chest pressure, Heart rate 130's, Headache/head felt like it would explode, Right upper jaw pain that felt like sinus, calf pain/Calves were sore in back and Calves were sore in back and felt like DVT  was recovering. The outcome of events Oxygen Saturation dropping, Ringing in the ears, Shivering, Back pain/pain in her back, Nausea, and Thighs are burning was not recovered. The outcome of events Temperature 101.7, she sound like a hypochondriac, dry hives, flu like symptoms, weak, felt miserable and can barely walk was unknown.  The reporter considered events Heart rate 130's, Temperature 101.7, Oxygen Saturation dropping, Right upper jaw pain that felt like sinus and Thighs are burning were related to BNT162B2. The reporter considered events Chest pressure, Heart rate 130's, Temperature 101.7, Oxygen Saturation dropping, Headache, Ringing in ears, Shivering, Back pain, Nausea, Thighs are burning, Right upper jaw pain that felt like sinus and Calves were sore in back and felt like DVT as serious due to Medically significant.; Sender's Comments: A possible contributory effect of suspect BNT162B2 on reported events cannot be excluded.  The impact of this report on the benefit/risk profile of the Pfizer product is evaluated as part of Pfizer procedures for safety evaluation, including the review and analysis of aggregate data for adverse events. Any safety concern identified as part of this review, as well as any appropriate action in response, will be promptly notified to regulatory authorities, Ethics Committees, and Investigators, as appropriate.