loss of consciousness; 103.4 temperature; chills; sweats; severe joint pain; ringing in ears; tingling in forearms, fingers and lower extremities; appendicitis; severe weakness; lower back pain; chronic fatigue that worsens in the evening; lymphoma -like nodules (1 in left bicept and 1 in toe); nausea; altered taste; rashes; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP).  A 47 year-old male patient received bnt162b2 (BNT162B2), intramuscular, administered in arm left, administration date 05May2021 10:00 (Lot number: EW0176) at the age of 47 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "migraines" (unspecified if ongoing), notes: migraines. Concomitant medication(s) included: AZELASTINE. Past drug history included: Augmentin, reaction(s): "Allergies: Augmentin", notes: Known Allergies: Augmentin; Levaquin, reaction(s): "Allergies: Levaquin", notes: Known Allergies: Levaquin; Cleocin, reaction(s): "Allergies: Cleocin", notes: Known Allergies: Cleocin; Flagyl, reaction(s): "Allergies: Flagyl", notes: Known Allergies:flagyl; Bactrim, reaction(s): "Allergies: Bactrim", notes: Known Allergies:Bactrim; Maxitrol, reaction(s): "Allergies: Maxitrol", notes: Known Allergies:Maxitrol; Symbicort, reaction(s): "Allergies: Symbicort", notes: Known Allergies:Symbicort; Naproxen, reaction(s): "Allergies: Naproxen", notes: Known Allergies:Naproxen. Vaccination history included: Bnt162b2 (DOSE 1, SINGLE. Batch/Lot No: ER8735 Location of injection: Arm Left Vaccine Administration Time: 10:00 AM Route of Administration: Intramuscular), administration date: 14Apr2021, when the patient was 47 years old, for COVID-19 Immunization. The following information was reported: LOSS OF CONSCIOUSNESS (hospitalization, medically significant) with onset 06May2021 01:00, outcome "not recovered", described as "loss of consciousness"; BODY TEMPERATURE INCREASED (hospitalization) with onset 06May2021 01:00, outcome "not recovered", described as "103.4 temperature"; CHILLS (hospitalization) with onset 06May2021 01:00, outcome "not recovered", described as "chills"; HYPERHIDROSIS (hospitalization) with onset 06May2021 01:00, outcome "not recovered", described as "sweats"; ARTHRALGIA (hospitalization) with onset 06May2021 01:00, outcome "not recovered", described as "severe joint pain"; TINNITUS (hospitalization) with onset 06May2021 01:00, outcome "not recovered", described as "ringing in ears"; PARAESTHESIA (hospitalization) with onset 06May2021 01:00, outcome "not recovered", described as "tingling in forearms, fingers and lower extremities"; APPENDICITIS (hospitalization, medically significant) with onset 06May2021 01:00, outcome "not recovered", described as "appendicitis"; ASTHENIA (hospitalization) with onset 06May2021 01:00, outcome "not recovered", described as "severe weakness"; BACK PAIN (hospitalization) with onset 06May2021 01:00, outcome "not recovered", described as "lower back pain"; FATIGUE (hospitalization) with onset 06May2021 01:00, outcome "not recovered", described as "chronic fatigue that worsens in the evening"; PSEUDOLYMPHOMA (hospitalization) with onset 06May2021 01:00, outcome "not recovered", described as "lymphoma -like nodules (1 in left bicept and 1 in toe)"; NAUSEA (hospitalization) with onset 06May2021 01:00, outcome "not recovered", described as "nausea"; TASTE DISORDER (hospitalization) with onset 06May2021 01:00, outcome "not recovered", described as "altered taste"; RASH (hospitalization) with onset 06May2021 01:00, outcome "not recovered", described as "rashes". The patient was hospitalized for loss of consciousness, body temperature increased, chills, hyperhidrosis, arthralgia, tinnitus, paraesthesia, appendicitis, asthenia, back pain, fatigue, pseudolymphoma, nausea, taste disorder, rash (start date: 2021, discharge date: 2021, hospitalization duration: 3 day(s)). The events "loss of consciousness", "103.4 temperature", "chills", "sweats", "severe joint pain", "ringing in ears", "tingling in forearms, fingers and lower extremities", "appendicitis", "severe weakness", "lower back pain", "chronic fatigue that worsens in the evening", "lymphoma -like nodules (1 in left bicept and 1 in toe)", "nausea", "altered taste" and "rashes" were evaluated at the physician office visit and emergency room visit. The patient underwent the following laboratory tests and procedures: body temperature: (06May2021) 103.4. Therapeutic measures were taken as a result of appendicitis. Clinical Course: Appendectomy for appendicitis. Patient received the booster dose of Pfizer vaccine with Batch/lot number: FH8030 on 10Dec2021 19:30 (Anatomical Location: Arm left, Administration route: Intramuscular) as a dose 3 for COVID-19  immunization. Patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. Prior to vaccination patient was not diagnosed with COVID-19. Since the vaccination the patient had not been tested for COVID-19.  Follow-up attempts are completed. No further information is expected.