Low-grade fever ( <100F); Chills; Nausea/felt nauseous; Clamminess about 15 hours after booster vaccination; Feeling cold; Soreness/tenderness in left arm at/around injection site; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non-HCP). The reporter is the patient.  A 24-years-old female patient (not pregnant) received bnt162b2 (BNT162B2), intramuscular, administered in deltoid left, administration date 01Oct2021 12:00 (Lot number: FF2589) at the age of 24 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Supraventricular tachycardia", start date: 05Mar2021 (ongoing), notes: Pt. (patient) takes 120 mg Verapamil daily.; "asthma" (unspecified if ongoing), notes: patient uses ALBUTEROL SULFATE inhaler as needed; "Menstrual cramps" (unspecified if ongoing); "Immunization" (unspecified if ongoing), notes: Vaccine name: FLULAVAL Quad 2021-2022 SYR. Concomitant medication(s) included: FLULAVAL taken for immunisation, administration date 18Sep2021; VERAPAMIL taken for supraventricular tachycardia, start date: Apr2021 (ongoing); VITAMIN C [ASCORBIC ACID]; FAMOTIDINE; VITAFUSION MULTIVITES; LOESTRIN FE taken for dysmenorrhoea, start date: 2018 (ongoing). Vaccination history included: Bnt162b2 (Dose Number: 1, Time (24 hr): 11:22 AM, Batch/Lot No: EL3247, Anatomical Site of injection: Left deltoid, Route of Administration: Intramuscular), administration date: 27Jan2021, when the patient was 24 years old, for COVID-19 immunization; Bnt162b2 (Dose Number: 2, Time (24 hr): 13:05 PM, Batch/Lot No: EL3247, Anatomical Site of injection: Left deltoid, Route of Administration: Intramuscular), administration date: 25Feb2021, when the patient was 24 years old, for COVID-19 immunization. The following information was reported: PYREXIA (non-serious) with onset 02Oct2021 03:30, outcome "recovered" (Oct2021), described as "Low-grade fever ( <100F)"; VACCINATION SITE PAIN (non-serious) with onset 01Oct2021 03:00, outcome "recovering", described as "Soreness/tenderness in left arm at/around injection site"; CHILLS (non-serious) with onset 02Oct2021 03:30, outcome "recovered" (Oct2021), described as "Chills"; FEELING COLD (non-serious) with onset 01Oct2021 03:00, outcome "recovering", described as "Feeling cold"; NAUSEA (non-serious) with onset 02Oct2021 03:30, outcome "recovered" (02Oct2021), described as "Nausea/felt nauseous"; COLD SWEAT (non-serious) with onset 01Oct2021 03:00, outcome "recovering", described as "Clamminess about 15 hours after booster vaccination". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of pyrexia, vaccination site pain, chills, nausea. Therapeutic measures were not taken as a result of feeling cold, cold sweat.  Additional Information: The patient had no known allergies. The patient felt nauseous and had chills for approximately 15 hours, after receiving booster. Nausea lasted approximately 30 minutes. Patient had low grade fever (<100 F) and chills the following 48 hours. Patient took Tylenol (1000 mg) as needed. Prior to vaccination, the patient was not diagnosed with COVID-19 and since the vaccination patient was not tested for COVID-19.  No follow-up attempts are possible. No further information is expected.