Hallucinations; in and out of consciousness; Couldn't see; Couldn't hear; Couldn't smell; Couldn't feel; Struggled to breathe; Severe body aches; severe hot/cold flashes; severe hot/cold flashes; debilitating headache; limbs hurt; booster; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 37 year-old female patient (not pregnant) received bnt162b2 (BNT162B2), administered in arm left, administration date 31Dec2021 12:00 (Batch/Lot number: unknown) at the age of 37 years as dose 3 (booster), single for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications. Vaccination history included: Bnt162b2 (Dose Number: 2, Batch/Lot No: Unknown. Unable to locate or read the details, Location of injection: Arm Left, Vaccine Administration Time: 08:00 AM), administration date: 11May2021, when the patient was 36 years old, for COVID-19 Immunization; Bnt162b2 (Dose Number: 1, Batch/Lot No: Unknown. Unable to locate or read the details, Location of injection: Arm Left, Vaccine Administration Time: 08:00 AM), administration date: 25May2021, when the patient was 36 years old, for COVID-19 Immunization. The following information was reported: IMMUNISATION (medically significant) with onset 31Dec2021 12:00, outcome "unknown", described as "booster"; HALLUCINATION (medically significant) with onset 31Dec2021 22:00, outcome "recovered with sequelae" (2021), described as "Hallucinations"; ALTERED STATE OF CONSCIOUSNESS (medically significant) with onset 31Dec2021 22:00, outcome "recovered with sequelae" (2021), described as "in and out of consciousness"; BLINDNESS (medically significant) with onset 31Dec2021 22:00, outcome "recovered with sequelae" (2021), described as "Couldn't see"; DEAFNESS (medically significant) with onset 31Dec2021 22:00, outcome "recovered with sequelae" (2021), described as "Couldn't hear"; ANOSMIA (non-serious) with onset 31Dec2021 22:00, outcome "recovered with sequelae" (2021), described as "Couldn't smell"; FEELING ABNORMAL (non-serious) with onset 31Dec2021 22:00, outcome "recovered with sequelae" (2021), described as "Couldn't feel"; DYSPNOEA (non-serious) with onset 31Dec2021 22:00, outcome "recovered with sequelae" (2021), described as "Struggled to breathe"; PAIN (non-serious) with onset 31Dec2021 22:00, outcome "recovered with sequelae" (2021), described as "Severe body aches"; FEELING HOT (non-serious), FEELING COLD (non-serious) all with onset 31Dec2021 22:00, outcome "recovered with sequelae" (2021) and all described as "severe hot/cold flashes"; HEADACHE (non-serious) with onset 31Dec2021 22:00, outcome "recovered with sequelae" (2021), described as "debilitating headache"; LIMB DISCOMFORT (non-serious) with onset 31Dec2021 22:00, outcome "recovered with sequelae" (2021), described as "limbs hurt". Therapeutic measures were not taken as a result of hallucination, altered state of consciousness, blindness, deafness, anosmia, feeling abnormal, dyspnoea, pain, feeling hot, feeling cold, headache, limb discomfort.  Clinical course: The patient had not received any other vaccine within 4 weeks prior to the COVID vaccine. Patient had no known allergies. Patient had not been diagnosed with COVID-19 prior to vaccination and had not been tested since the vaccination.   No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.