Less than 24 hours later I had an ischemic stroke/ It is like the stroke caused a blockage where the name part of her brain is; I have issues with memory and spatial issues; I have issues with memory and spatial issues; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 54-year-old female patient received BNT162b2 (BNT162B2), on 01Nov2021 as dose 3 (booster), single (Batch/Lot number: unknown) at the age of 53 years for covid-19 immunisation. The patient's relevant medical history was not reported. There were no concomitant medications. Vaccination history included: Pfizer/biontech covid-19 vaccine (Dose 1), for COVID-19 immunization; Pfizer/biontech covid-19 vaccine (Dose 2), for COVID-19 immunization. The following information was reported: ISCHAEMIC STROKE (hospitalization, medically significant) with onset 02Nov2021, outcome "recovered with sequelae" (04Nov2021), described as "Less than 24 hours later I had an ischemic stroke/ It is like the stroke caused a blockage where the name part of her brain is"; MEMORY IMPAIRMENT (non-serious), DISORIENTATION (non-serious) all with onset Nov2021, outcome "unknown" and all described as "I have issues with memory and spatial issues". The patient was hospitalized for ischaemic stroke (start date: 02Nov2021, discharge date: 04Nov2021, hospitalization duration: 3 day(s)). The event "less than 24 hours later i had an ischemic stroke/ it is like the stroke caused a blockage where the name part of her brain is" required emergency room visit. Therapeutic measures were taken as a result of ischaemic stroke.  Clinical information: The patient received her third COVID pfizer shot on 01Nov2021, less than 24 hours later she had an ischemic stroke. She was hospitalized for 2 days. At the time of reporting she had a loop recorder device implanted in chest. She had issues with memory and spatial issues. She had no known risk factor. She didn't know if it was monovalent or bivalent and she will have to check with pharmacy. The caller confirmed the details provided by the transferring agent. She called on reporting day because those reports that came out on Friday. Cardiologist. The doctor's should be communicating with another. That doctor was pretty sure it was the vaccine that caused it. He told her not to get another vaccine. Stroke: 02Nov2021, that morning. Hospitalization: 02Nov2021 to 04Nov2021. The stroke caused a blockage where the name part of her brain was. She had a hard time with names at reporting time. She also had spatial issues. Like if she were to have to arrange 5 things on the ground a certain way she would struggle with that. She did not have her card on her. She got the vaccine at store and will go in and get information. Vaccine given on 01Nov2021. All three vaccines she got were Pfizer. The loop recorder was put in incase she was having a fib but she had not. She hasn't had anything since they put it in on 04Nov2021. She was adopted so she did not have family medical history. She did not received any prior Vaccinations within 4 weeks. AE required visit to check all that apply: Emergency Room.   The information on the batch/lot number for BNT162b2 has been requested and will be submitted if and when received.