headache; Injection site pain; stomach ache; vomiting; extreme fatigue; chest pain; difficulty breathing in mask; booster; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 33 year-old male patient received bnt162b2 (BNT162B2), administration date 08Dec2021 (Lot number: FH8027) at the age of 33 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "ADHD" (unspecified if ongoing); "high cholesterol" (unspecified if ongoing); "Known allergies: Cat" (unspecified if ongoing); "Known allergies: Dog" (unspecified if ongoing). Concomitant medication(s) included: ADDERALL; CRESTOR; XYZAL; PROTONIX [OMEPRAZOLE]. Past drug history included: Known allergies: penicillin, reaction(s): "drug hypersensitivity"; Known allergies: gadolinium, reaction(s): "Known allergies: gadolinium". Vaccination history included: Bnt162b2 (Dose Number: 2, Batch/Lot No: EW0158, Location of injection: Arm Left), administration date: 21Apr2021, when the patient was 32 years old, for COVID-19 immunization; Bnt162b2 (Dose Number: 1, Batch/Lot No: ER8733, Location of injection: Arm Left), administration date: 31Mar2021, when the patient was 32 years old, for COVID-19 immunization.  The following information was reported: IMMUNISATION (non-serious) with onset 08Dec2021, outcome "unknown", described as "booster"; HEADACHE (non-serious) with onset 09Dec2021, outcome "unknown", described as "headache"; VACCINATION SITE PAIN (non-serious) with onset 09Dec2021, outcome "unknown", described as "Injection site pain"; ABDOMINAL PAIN UPPER (non-serious) with onset 09Dec2021, outcome "unknown", described as "stomach ache"; VOMITING (non-serious) with onset 09Dec2021, outcome "unknown", described as "vomiting"; FATIGUE (non-serious) with onset 09Dec2021, outcome "unknown", described as "extreme fatigue"; CHEST PAIN (non-serious) with onset 09Dec2021, outcome "unknown", described as "chest pain"; DYSPNOEA (non-serious) with onset 09Dec2021, outcome "unknown", described as "difficulty breathing in mask". The events "headache", "injection site pain", "stomach ache", "vomiting", "extreme fatigue", "chest pain" and "difficulty breathing in mask" were evaluated at the physician office visit and emergency room visit. Relevant laboratory tests and procedures are available in the appropriate section.  Additional information: Facility type vaccine was Pharmacy or Drug Store. No other vaccine in four weeks. No covid prior vaccination. Tested post vaccination for covid. Other medications in two weeks included MULTIVITAM. If covid prior vaccination: No. If covid tested post vaccination: Yes. Covid test post vaccination. Covid test type post vaccination=Nasal Swab. Covid test name post vaccination=SARS-COV2-INFLUENZA A&B, RSV PCR, Covid test date=14Dec2021, Covid test result=Negative. Covid test type post vaccination=Nasal Swab, Covid test name post vaccination= PCR, Covid test date=06Jan2022, Covid test result=Pending. Covid test type post vaccination=Nasal Swab, Covid test name post vaccination=SARS-COV-2 RNA, QL NAAT, RTPCR/TMA, Covid test date=27Dec2021, Covid test result=Negative  No follow-up attempts are possible. No further information is expected.