joint pain in one of her legs; muscle and joint pain in one of her legs; So tired; Difficulty to concentrate; Sweats/sweats a lot; Headache; always cold; shaking/her hands are shaking; always cold and shaking; Not feeling well; Her head is heavy; Feels chilly; This is a spontaneous report from a contactable consumer (Patient). A 47-years-old female patient received first dose of BNT162B2, (PFIZER-BIONTECH COVID-19 VACCINE, Solution of injection, Batch/Lot Number: EL1283), via an unspecified route of administration, administered in Arm Right on 30Jan2021 as 1st dose, single for covid-19 immunisation. Medical history included breast cancer from 2018 and ongoing. She has it in her neck, treatment is almost over. Radiation was over two years ago, thyroid disorder from an unknown date and unknown if ongoing. Concomitant medication(s) included tamoxifen (TAMOXIFEN) taken for breast cancer started almost two years ago. A low dose, she was started on 20mg, but had a very bad side effect, was reduced to 5mg.20mg: NDC, lot, expiry unknown. LEVOTHYROXINE taken for thyroid disorder was started about 15 years ago from an unspecified start date and ongoing. The patient experienced headache, always cold on 31Jan2021, muscle pain in one of her legs on 03Feb2021, shaking/her hands are shaking and always cold and shaking on 31Jan2021, joint pain in one of her legs, muscle and joint pain in one of her legs, so tired, difficulty to concentrate on 03Feb2021, sweats/sweats a lot on 31Jan2021, not feeling well on 2021, her head is heavy on 2021, feels chilly on 2021. Question: Patient experienced headache, chills, and body weakness after getting the 1st dose of PFIZER-BIONTECH COVID-19 VACCINE last 30Jan2021-She wants to know if it's normal to have these symptoms - Took Tylenol to manage headache - According to her she already reported the side effects to (name). Question: "Can I skip the 2nd shot if I can't bear the pain. Additional Context:Calling about COVID vaccine. Had it on Saturday, she was ok on Saturday, since Sunday afternoon, she had a very bad headache, and Sunday night she started shaking, when she sleeps, she sweats, it is so bad that she needs to change, she is all wet, always cold and shaking, and she has muscle and joint pain in one of her legs, she is so tired and shaking, her hands are shaking, she cannot hold anything, is having difficulty to concentrate, do her job, she is not feeling well. She doesn't know if she should have the second one, or hold on, will the second be worse. The patient received treatment for the event headache with Tylenol. The Reporter stated the events as Non serious. Outcome of the headache was recovered on 01Feb2021, always cold was unknown, , muscle pain in one of her legs was unknown, shaking/her hands are shaking was recovering, always cold and shaking was recovering, joint pain in one of her legs on was recovering, muscle and joint pain in one of her legs was recovering, so tired was not recovered, difficulty to concentrate was not recovered , sweats/sweats a lot was not recovered , not feeling well was unknown , her head is heavy was unknown , feels chilly was unknown.  Follow-up (04Feb2021): This is a Follow-up spontaneous report from a contactable consumer.  Follow-up attempts are completed. No further information is expected.