Occasional fever; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient. A 68 year-old female patient received bnt162b2 (BNT162B2), intramuscular, administered in arm left, administration date 27Sep2021 09:00 (Lot number: FC3184) as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Weakened immune system" (unspecified if ongoing), notes: Weakened immune system, only have one kidney; "cancer" (unspecified if ongoing), notes: Current or recent cancer; "I only have one kidney" (unspecified if ongoing), notes: I only have one kidney; "Hyperlipidemia", start date: 1994 (ongoing); "Hot flashes" (unspecified if ongoing); "Osteoporosis", start date: 2018 (ongoing); "Mycosis fungoides", start date: 2015 (ongoing); "Esophageal spasm", start date: 2009 (ongoing); "Allergies" (unspecified if ongoing); "Cough" (unspecified if ongoing); "Moderate pain" (unspecified if ongoing); "Irregular heartbeat" (unspecified if ongoing); "Sleep apnea", start date: 2005 (ongoing); "Hyperthyroid", start date: 2016 (not ongoing), notes: Resolved; "Nerve pain and parathesia (back)", start date: 2014 (ongoing), notes: Nerve pain and parathesia (back); "Nerve pain and parathesia (back)", start date: 2014 (ongoing), notes: Nerve pain and parathesia (back); "Fractured r foot", start date: 2012 (unspecified if ongoing); "Polyneuropathy", start date: 2009 (ongoing); "Tinnitus (both ears)", start date: 2009 (ongoing), notes: Both ears; "Hypertension", start date: 2007 (not ongoing), notes: (resolved); "KIdney cancer (right)", start date: 2006 (unspecified if ongoing), notes: Nephrectomy(right); "Arthritis", start date: 2004 (ongoing); "Dysautonomia w/ enhanced cardiac perception", start date: 2016 (ongoing), notes: Dysautonomia w/ enhanced cardiac perception; "Secondary hyperparathyroidism" (unspecified if ongoing); "PAC (premature beats)", start date: 2010 (not ongoing), notes: Resolved; "hernia-incisional and mesh replacement", start date: 2020 (unspecified if ongoing), notes: incisional and mesh replacement; "cataract surgery", start date: 2017, stop date: 2017; "Trapeziectomy", start date: 2016, stop date: 2016, notes: Both thumbs; "2 Neuromas removed", start date: 2016, stop date: 2016, notes: 2 Neuromas removed; "Ganglion cyst removed", start date: 2014, stop date: 2014, notes: Ganglion cyst removed, Septoplasty w/turbinate reduce-Septoplasty w/turbinate reduction; "Bariatric gastric sleeve w/Adhesions", start date: 2013 (unspecified if ongoing); "Septoplasty w/turbinate reduce", start date: 2011, stop date: 2011; "Nephrectomy", start date: 2006, stop date: 2006, notes: Right, due to kidney cancer; "Carpal tunnel", start date: 1999 (unspecified if ongoing), notes: Right and left wrists; "Partial hysterectomy", start date: 1985, stop date: 1985, notes: Uterus only; "Breast biopsy", start date: 2007, stop date: 2007, notes: Breast biopsy (L) benign; "Breast benign neoplasm" (unspecified if ongoing), notes: Left; "Covid-19", start date: 15Jul2021 (unspecified if ongoing); "Trigger thumb", start date: 2013 (unspecified if ongoing), notes: Right and Left; "Arthroscopy", start date: 2000, stop date: 2000, notes: Left shoulder; "varicose veins", start date: 08Jan2021 (ongoing), notes: No treatment was received. Family history included: "Heart problems" (unspecified if ongoing), notes: father+ brother; "Vericose veins" (unspecified if ongoing), notes: My mother her 3 sisters and 2 of her brothers. I have a sister with Vericose veins. Concomitant medication(s) included: ATORVASTATIN taken for hyperlipidaemia; ESTRADIOL taken for hot flush; PANTOPRAZOLE taken for abdominal pain upper; ALENDRONATE taken for osteoporosis; VITAMIN D3; ELIDEL taken for cutaneous t-cell lymphoma; NITROGLYCERINE taken for oesophageal spasm; ATROVENT taken for hypersensitivity; ZYRTEC [CETIRIZINE HYDROCHLORIDE] taken for hypersensitivity; FEXOFENADINE taken for hypersensitivity; BENZONATATE taken for cough; IBUPROFEN taken for pain; TYLENOL taken for pain; PROPRANOL taken for heart rate irregular; EPIPEN; CROMOLYN SODIUM taken for hypersensitivity; XYZAL taken for hypersensitivity; ROSUVASTATIN; MAGNESIUM OXIDE; AMLODIPINE; BABY ASPIRIN. Vaccination history included: Bnt162b2 (Dose: 01, Time: 09:00 AM, Anatomical site if injection: Left arm, Batch/Lot number: EN9581 Pfizer, Route of administration: Intramuscular), administration date: 29Jan2021, when the patient was 68 years old, for Covid-19 immunization, reaction(s): "covid-19", "covid brain fog"; Bnt162b2 (Dose: 02, Time: 09:00 AM, Anatomical site if injection: Left arm, Batch/Lot number: EL9266 Pfizer, Route of administration: Intramuscular), administration date: 18Feb2021, when the patient was 68 years old, for Covid-19 immunization, reaction(s): "Worsening of dysautonomia and/or fast heart beat with more irregular skipped heartbeats", "light headedness", "covid brain fog", "covid-19", "varicose veins"; Flushot (Dose: Flushot, Brand: Unknown, Lot: Unknown, Location: Larm, Approx 22Sep or 23Sep2021), for flu immunization. The following information was reported: PYREXIA (non-serious), outcome "unknown", described as "Occasional fever". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were not taken as a result of pyrexia.  Additional information: The patient had occasional fever 2-3 times a week. Previously the patient received Allergy shots in both R+L arms, Weekly beginning 11Aug2021 one in each arm. The patient received concomitant medications CPAP- For sleep apnea and also B-12 injection taken as 1Injection once a month.  No follow-up attempts are possible. No further information is expected.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202101098250 same patient, different dose and events