Fever; non-itchy rash on chest, tummy, neck, face, back and dark red rash around belly button; Vomiting; loss of appetite; Body aches; joint/muscle pain; joint/muscle pain; headache; extreme fatigue; Loss of concentration; Slept 20 hours straight; Missing school frequently; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 17 year-old male patient received bnt162b2 (BNT162B2), administered in arm left, administration date 11Sep2021 16:00 (Lot number: EW0185) at the age of 17 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "ADHD" (unspecified if ongoing); "Post viral fatigue syndrome following contracting flu strain B", start date: 2017 (unspecified if ongoing), notes: Post Viral Fatigue Syndrome following contracting Flu Strain B; "Post viral fatigue syndrome following contracting flu strain B" (unspecified if ongoing), notes: Post viral fatigue syndrome following contracting flu strain B. There were no concomitant medications. Vaccination history included: Bnt162b2 (DOSE: 1, Batch/Lot No: EW0151, Location of injection: Arm Left, Vaccine Administration Time: 03:00 PM), administration date: 13Apr2021, when the patient was 16 years old, for COVID-19 immunization; Bnt162b2 (DOSE: 2, Batch/Lot No: EW0161, Location of injection: Arm Left, Vaccine Administration Time: 04:00 PM), administration date: 04May2021, when the patient was 16 years old, for COVID-19 immunization; Flu. The following information was reported: PYREXIA (non-serious) with onset 11Sep2021, outcome "not recovered", described as "Fever"; RASH (non-serious) with onset 11Sep2021, outcome "not recovered", described as "non-itchy rash on chest, tummy, neck, face, back and dark red rash around belly button"; VOMITING (non-serious) with onset 11Sep2021, outcome "not recovered", described as "Vomiting"; DECREASED APPETITE (non-serious) with onset 11Sep2021, outcome "not recovered", described as "loss of appetite"; PAIN (non-serious) with onset 11Sep2021, outcome "not recovered", described as "Body aches"; ARTHRALGIA (non-serious), MYALGIA (non-serious) all with onset 11Sep2021, outcome "not recovered" and all described as "joint/muscle pain"; HEADACHE (non-serious) with onset 11Sep2021, outcome "not recovered", described as "headache"; FATIGUE (non-serious) with onset 11Sep2021, outcome "not recovered", described as "extreme fatigue"; DISTURBANCE IN ATTENTION (non-serious) with onset 11Sep2021, outcome "not recovered", described as "Loss of concentration"; HYPERSOMNIA (non-serious) with onset 11Sep2021, outcome "not recovered", described as "Slept 20 hours straight"; LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (non-serious) with onset 11Sep2021, outcome "not recovered", described as "Missing school frequently". The events "fever", "non-itchy rash on chest, tummy, neck, face, back and dark red rash around belly button", "vomiting", "loss of appetite", "body aches", "joint/muscle pain", "joint/muscle pain", "headache", "extreme fatigue", "loss of concentration", "slept 20 hours straight" and "missing school frequently" were evaluated at the physician office visit. Therapeutic measures were taken as a result of pyrexia, rash, vomiting, decreased appetite, pain, arthralgia, myalgia, headache, fatigue, disturbance in attention, hypersomnia, loss of personal independence in daily activities.  Additional information: The patient had no known allergies. The patient had not received any other vaccinations within 4 weeks prior to the COVID vaccine. Prior to vaccination and since the vaccination, the patient had not diagnosed with COVID-19. The patient received Tylenol, Ibuprofen as treatment for the events.   Follow-up attempts are completed. No further information is expected.