Slight dizziness and headache initially, approx 4 house from this onset palpitations and irregular heartbeat, tachycardia, chest tightness and shortness of breath; Slight dizziness and headache initially, approx 4 house from this onset palpitations and irregular heartbeat, tachycardia, chest tightness and shortness of breath; Slight dizziness and headache initially, approx 4 house from this onset palpitations and irregular heartbeat, tachycardia, chest tightness and shortness of breath; Slight dizziness and headache initially, approx 4 house from this onset palpitations and irregular heartbeat, tachycardia, chest tightness and shortness of breath; Slight dizziness and headache initially, approx 4 house from this onset palpitations and irregular heart beat, tachycardia, chest tightness and shortness of breath; Slight dizziness and headache initially, approx 4 house from this onset palpitations and irregular heart beat, tachycardia, chest tightness and shortness of breath; Slight dizziness and headache initially, approx 4 house from this onset palpitations and irregular heart beat, tachycardia, chest tightness and shortness of breath; This is a spontaneous report received from contactable reporter(s) (Nurse). The reporter is the patient.  A 41-year-old female patient (not pregnant) received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 05Oct2022 at 18:15 as dose 4 (booster), single (Lot number: G48203) at the age of 41 years, in right arm for covid-19 immunisation. The patient's relevant medical history included: "Migraines" (unspecified if ongoing); "anxiety" (unspecified if ongoing); "depression" (unspecified if ongoing); "seasonal allergies" (unspecified if ongoing). The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (DOSE NUMBER 1, SINGLE  (lot number: E10142) location: Right arm), for Covid-19 immunization; Bnt162b2 (DOSE NUMBER 2, SINGLE  (lot number: EL3246) location: Left arm), for Covid-19 immunization; Bnt162b2 (DOSE NUMBER 3, SINGLE  (lot number: FC3182) location: Right arm), for Covid-19 immunization. The following information was reported: TACHYCARDIA (non-serious), CHEST DISCOMFORT (non-serious), DYSPNOEA (non-serious) all with onset 06Oct2022 at 12:00, outcome "recovering" and all described as "Slight dizziness and headache initially, approx 4 house from this onset palpitations and irregular heart beat, tachycardia, chest tightness and shortness of breath"; DIZZINESS (non-serious), HEADACHE (non-serious), PALPITATIONS (non-serious), HEART RATE IRREGULAR (non-serious) all with onset 06Oct2022 at 12:00, outcome "recovering" and all described as "Slight dizziness and headache initially, approx 4 house from this onset palpitations and irregular heartbeat, tachycardia, chest tightness and shortness of breath". The events "slight dizziness and headache initially, approx 4 house from this onset palpitations and irregular heartbeat, tachycardia, chest tightness and shortness of breath" and "slight dizziness and headache initially, approx 4 house from this onset palpitations and irregular heart beat, tachycardia, chest tightness and shortness of breath" required physician office visit and emergency room visit. The patient underwent the following laboratory tests and procedures: Heart rate: (06Oct2022) irregular; SARS-CoV-2 test: (06Oct2022) Negative, notes: Covid test type post vaccination=Nasal Swab. Therapeutic measures were not taken as a result of dizziness, headache, palpitations, heart rate irregular, tachycardia, chest discomfort, dyspnoea.  Additional information: Reporter did not took any other vaccine in four weeks. Reporter did not had covid prior vaccination. Covid was tested post vaccination.