Severe muscle and joint aches; Severe muscle and joint aches; headache; fever (101.20); nausea; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 72 year-old female patient received bnt162b2 (BNT162B2), administered in arm right, administration date 20Oct2021 11:00 (Batch/Lot number: unknown) at the age of 72 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "A-Fib" (unspecified if ongoing). Concomitant medication(s) included: METOPROLOL; ELIQUIS; SIMVASTATIN; CALCIUM; MULTIVITAMINS [VITAMINS NOS]. Past drug history included: Sulfa, reaction(s): "drug allergy", notes: Known allergies: sulfa, penicillin; Penicillin, reaction(s): "drug allergy", notes: Known allergies: sulfa, penicillin. Vaccination history included: Bnt162b2 (prev dose product=COVID 19,, prev dose brand unknown=True,, prev dose brand name unknown=COVID19 Vaccine,, prev dose Lot unknown=True,, prev dose lot unknown reason=Unable to locate or read the details,, prev dose administration date=07Mar2021,, prev dose administration time=04:00PM, prev dose number=2,, prev dose Vaccine location=Right arm), administration date: 07Mar2021, when the patient was 71 years old, for COVID-19 IMMUNIZATION; Bnt162b2 (prev dose product=COVID 19,, prev dose brand unknown=True,, prev dose brand name unknown=COVID19 Vaccine,, prev dose lot unknown=True,, prev dose lot unknown reason=Unable to locate or read the details,, prev dose administration date=14Feb2021,, prev dose administration time=10:00 AM, prev dose dose number=1,, prev dose vaccine location=Right arm), administration date: 14Feb2021, when the patient was 71 years old, for COVID-19 IMMUNIZATION; Influenza vaccine (left arm (Other vaccine 4weeks product=Flu)), administration date: 11Oct2021, for immunisation. The following information was reported: MYALGIA (non-serious), ARTHRALGIA (non-serious) all with onset 20Oct2021 16:00, outcome "recovering" and all described as "Severe muscle and joint aches"; HEADACHE (non-serious) with onset 20Oct2021 16:00, outcome "recovering", described as "headache"; PYREXIA (non-serious) with onset 20Oct2021 16:00, outcome "recovering", described as "fever (101.20)"; NAUSEA (non-serious) with onset 20Oct2021 16:00, outcome "recovering", described as "nausea". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were not taken as a result of myalgia, arthralgia, headache, pyrexia, nausea.  Additional information: Lot unknown reason=Unable to locate or read the details. Facility type vaccine: Pharmacy or Drug Store. Other vaccine 4weeks details: Other vaccine 4weeks product=Flu, Other vaccine 4weeks vaccine date=11Oct2021, Other vaccine 4weeks vaccine location=left arm. Other medications in two weeks: Eliquis, metoprolol, simvastatin, calcium, multivit. If covid prior vaccination: No.If covid tested post vaccination: No.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.  This Follow-up is being submitted to notify that the lot/batch number is not available despite the Follow-up attempts made. Follow-up attempts have been completed and no further information is expected.