Booster; Fever; left sided chest pain/It is like a strain by her chest; horrible chills; Nausea; Headache; Fatigue; left arm pain/ having a lot of pain/ the area on her arm where she got the vaccine; body pain; Her heart is bothering her; felt cold; experiencing pressure and pain by her chest and on her left arm; She can barely talk on the phone; The area on her arm still hurts and is still swollen; Even right now she is holding her breath because it is hurting.; The pain has worsened as time went by; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 50 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 24Dec2021 11:00 (Lot number: 331308A) at the age of 50 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Hysterectomy", start date: May2021 (unspecified if ongoing), notes: She did have a total hysterectomy this year in May2021 . There were no concomitant medications. Vaccination history included: Bnt162b2 (Dose 1, lot number ER8733), administration date: 24Mar2021, when the patient was 49 years old, for COVID-19 Immunization; Bnt162b2 (Dose 2, lot number ER8729), administration date: 21Apr2021, when the patient was 49 years old, for COVID-19 Immunization; Flu vaccine, administration date: Oct2021, for Immunization. The following information was reported: IMMUNISATION (non-serious) with onset 24Dec2021 11:00, outcome "unknown", described as "Booster"; PYREXIA (non-serious) with onset 24Dec2021, outcome "recovered" (Dec2021), described as "Fever"; CHEST PAIN (non-serious) with onset 24Dec2021, outcome "not recovered", described as "left sided chest pain/It is like a strain by her chest"; CHILLS (non-serious) with onset 24Dec2021, outcome "unknown", described as "horrible chills"; NAUSEA (non-serious) with onset 24Dec2021, outcome "unknown", described as "Nausea"; HEADACHE (non-serious) with onset 24Dec2021, outcome "not recovered", described as "Headache"; FATIGUE (non-serious) with onset 24Dec2021, outcome "not recovered", described as "Fatigue"; VACCINATION SITE PAIN (non-serious) with onset 24Dec2021, outcome "not recovered", described as "left arm pain/ having a lot of pain/ the area on her arm where she got the vaccine"; PAIN (non-serious) with onset 24Dec2021, outcome "not recovered", described as "body pain"; CARDIAC DISORDER (non-serious) with onset 24Dec2021, outcome "not recovered", described as "Her heart is bothering her"; FEELING COLD (non-serious) with onset 24Dec2021, outcome "unknown", described as "felt cold"; CHEST DISCOMFORT (non-serious) with onset 24Dec2021, outcome "not recovered", described as "experiencing pressure and pain by her chest and on her left arm"; SPEECH DISORDER (non-serious) with onset 24Dec2021, outcome "unknown", described as "She can barely talk on the phone"; VACCINATION SITE SWELLING (non-serious) with onset 24Dec2021, outcome "not recovered", described as "The area on her arm still hurts and is still swollen"; DYSPNOEA (non-serious) with onset 24Dec2021, outcome "not recovered", described as "Even right now she is holding her breath because it is hurting."; CONDITION AGGRAVATED (non-serious) with onset 24Dec2021, outcome "not recovered", described as "The pain has worsened as time went by". Therapeutic measures were taken as a result of pyrexia, chills, nausea, headache, vaccination site pain, pain, feeling cold, condition aggravated.  Additional information: Therapeutic measures were taken as a result of events included treatment with Tylenol every 6 hours. Patient received no prior Vaccinations (within 4 weeks) of COVID-19 vaccination.  No follow-up attempts are possible. No further information is expected.