ransient Global Amnesia; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from legal division. The reporter is the patient.  A 64 year-old male patient received bnt162b2 (BNT162B2), administered in arm left, administration date 13Dec2021 11:00 (Lot number: FH8027) at the age of 64 years as dose 3 (booster), single for covid-19 immunisation. The patient's relevant medical history was not reported. There were no concomitant medications. Vaccination history included: Bnt162b2 (First dose, Lot is: ED7534, but the last digit is hard to read., NDC/Expiry: Unknown, this is not on the CDC vaccine record card., Dose: Unknown strength/volume other than standard dose injection to left shoulder at unknown time in late afternoon., Verbatim:felt wiped out), administration date: 23Mar2021, when the patient was 63 years old, for COVID-19 Immunization, reaction(s): "felt wiped out", "100 degrees Fahrenheit body temperature"; Bnt162b2 (Second dose, Lot is: EW0153, hard to read., NDC/Expiry: Unknown, this is not on the CDC vaccine record card., Dose: Unknown strength/volume other than standard dose injection to left shoulder at unknown time in late afternoon., Verbatim:felt wiped out), administration date: 13Apr2021, when the patient was 63 years old, for COVID-19 Immunization, reaction(s): "felt wiped out", "100 degrees Fahrenheit body temperature"; Shingles vaccine (the past he has had regular side effects with other vaccines in the past like the shingles vaccine; he clarified he had none of those vaccines brand names/manufacturer names/Lots/NDCs/Expiries to provide for this report.), for Immunization, reaction(s): "he has had regular side effects with other vaccines in the past like the shingles vaccine"; Flu vaccines (He mentioned having had flu vaccines in the last 5-10 years which he did not have those regular side effects with; he had just minimal side effects with those flu vaccines: caller clarified he had none of those vaccines brand names/manufacturer names/Lots/NDCs/Expiries to provide for this report, he was not given any of that information.), for Immunization, reaction(s): "Minimal side effects with those flu vaccines". The following information was reported: TRANSIENT GLOBAL AMNESIA (medically significant) with onset 13Dec2021, outcome "recovered" (13Dec2021), described as "ransient Global Amnesia". The event "ransient global amnesia" was evaluated at the emergency room visit. The patient underwent the following laboratory tests and procedures: blood test: (13Dec2021) unknown results, notes: everything was fine but he had no results to provide for those tests other than there was nothing notable; computerised tomogram: (13Dec2021) they didn't see anything; urine analysis: (13Dec2021) unknown results, notes: everything was fine but he had no results to provide for those tests other than there was nothing notable. Therapeutic measures were taken as a result of transient global amnesia. It was reported that consumer is the patient who called to report having experienced Transient Global Amnesia with onset around 1-1.5 hours after being administered his third dose of Pfizer Covid Vaccine. He additionally mentioned later in report having had what he referred to as regular side effects with the first two doses of Pfizer Covid Vaccine which he further described as being that he felt wiped out and 100 degrees Fahrenheit body temperature-he had these with both of the first two doses. He wanted to report this information because he looked online at the symptoms and transient global amnesia is not really stated much in possible side effects, so he wanted people to know about it. He asked for information on if Pfizer helps pay for the medical bills associated with his emergency room visit. Third dose: Transient Global Amnesia: Time of onset about 12:00 or 12:30. Patient's wife tells him he had amnesia and did not remember anything. Patient called (Withheld) who directed him to the emergency room. He did go to the emergency room; but was not admitted to the hospital, was just in the emergency room. The amnesia cleared in about an hour but they were worried about finding out if he had a stroke or something else, so they did some CAT scans and they didn't see anything. He was diagnosed as having Transient global amnesia. He feels like he had recovered completely, he has a hard time telling time, but he thinks recovered completely from event by approximately 1-1.5 hours after onset of event. First dose: felt wiped out: Onset date unknown other than his report that he felt wiped out for about 1-2 days and he recovered completely from event after about 2-3 days. First dose: 100 degrees Fahrenheit body temperature: Onset date unknown. He recovered completely from event after about 2-3 days. Second dose: felt wiped out: Onset date unknown other than his report that he felt wiped out for about 1-2 days and he recovered completely from event after about 2-3 days. Second dose: 100 degrees Fahrenheit body temperature: Onset date unknown. He recovered completely from event after about 2-3 days.Third dose completed prescribed therapy. Regarding testing, treatment and medical interventions caller reported relative to transient global amnesia that while in the emergency room on 13Dec2021 they also took some blood tests and urine tests, but he had no results to provide for those tests other than there was nothing notable, everything was fine. While in the emergency room on 13Dec2021 they also gave him an IV, but he is not sure what the IV was. Caller mentioned historical unrelated information that in the past he has had regular side effects with other vaccines in the past like the shingles vaccine; he clarified he had none of those vaccines brand names/manufacturer names/Lots/NDCs/Expiries to provide for this report. He mentioned having had flu vaccines in the last 5-10 years which he did not have those regular side effects with; he had just minimal side effects with those flu vaccines: caller clarified he had none of those vaccines brand names/manufacturer names/Lots/NDCs/Expiries to provide for this report, he was not given any of that information.