her arm felt numb, her leg went numb; tongue got numb on one side; tongue was swollen; It must be an allergic reaction; freezing; sweating; very strange; thought she was going to die; It must be a reason for having a heart attack; felt every part of the stroke; really sick; felt like she had the flu; booster; whole body still tingling; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 73 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 22Nov2021 (Lot number: 1620) at the age of 73 years as dose number unknown (booster), single for covid-19 immunisation. Relevant medical history included: "Diabetes mellitus" (unspecified if ongoing); "lot of allergies" (unspecified if ongoing). Concomitant medication(s) included: GLIMEPIRIDE taken for diabetes mellitus; ZYRTEC [CETIRIZINE HYDROCHLORIDE]; VITAMIN D [COLECALCIFEROL]. Vaccination history included: Covid-19 vaccine (dose number unknown; manufacturer unknown), for COVID-19 immunization. The following information was reported: IMMUNISATION (medically significant) with onset 22Nov2021, outcome "unknown", described as "booster"; NEAR DEATH EXPERIENCE (medically significant) with onset 24Nov2021, outcome "unknown", described as "thought she was going to die"; MYOCARDIAL INFARCTION (medically significant) with onset 24Nov2021, outcome "unknown", described as "It must be a reason for having a heart attack"; CEREBROVASCULAR ACCIDENT (medically significant) with onset 24Nov2021, outcome "unknown", described as "felt every part of the stroke"; ILLNESS (non-serious) with onset 22Nov2021, outcome "recovering", described as "really sick"; INFLUENZA LIKE ILLNESS (non-serious) with onset 22Nov2021, outcome "recovering", described as "felt like she had the flu"; HYPOAESTHESIA (non-serious) with onset 24Nov2021, outcome "unknown", described as "her arm felt numb, her leg went numb"; HYPOAESTHESIA ORAL (non-serious) with onset 24Nov2021, outcome "unknown", described as "tongue got numb on one side"; SWOLLEN TONGUE (non-serious) with onset 24Nov2021, outcome "unknown", described as "tongue was swollen"; HYPERSENSITIVITY (non-serious) with onset 24Nov2021, outcome "unknown", described as "It must be an allergic reaction"; FEELING COLD (non-serious) with onset 24Nov2021, outcome "unknown", described as "freezing"; HYPERHIDROSIS (non-serious) with onset 24Nov2021, outcome "unknown", described as "sweating"; FEELING ABNORMAL (non-serious) with onset 24Nov2021, outcome "unknown", described as "very strange"; PARAESTHESIA (non-serious) with onset Nov2021, outcome "not recovered", described as "whole body still tingling". When patient went to bed, she felt every part of the stroke. Her arm felt numb, her leg went numb, and her tongue got numb on one side and then it was swollen and then she realized it was not after the stroke. It must be a reason for having a heart attack. It must be an allergic reaction. So, it was pretty bad. She could feel this medicine walk through body and stop everywhere. Therapeutic measures were not taken as a result of near death experience, myocardial infarction, cerebrovascular accident, illness, influenza like illness, hypoaesthesia, hypoaesthesia oral, swollen tongue, hypersensitivity, feeling cold, hyperhidrosis, feeling abnormal, paraesthesia.  Follow-up attempts are completed. No further information is expected.