This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient. A 75-year-old female patient received BNT162b2 (BNT162B2), as dose number unknown, single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. The following information was reported: DIZZINESS (non-serious) with onset 18Mar2021, outcome "unknown", described as "Extreme dizziness"; BALANCE DISORDER (non-serious), outcome "unknown", described as "Throws her balance off"; APHASIA (non-serious), outcome "recovered", described as "She could not speak"; AMBLYOPIA (non-serious), outcome "recovered", described as "Her just lazy eyes". The event "throws her balance off" required emergency room visit. The event "extreme dizziness" required physician office visit and emergency room visit. Relevant laboratory tests and procedures are available in the appropriate section. Additional information: Per agents verbatim "They are calling regarding the Pfizer COVID vaccine. She is wondering if any other people have reported extreme dizziness. She also mentioned she could her husband talking but no words were coming out of her mouth and it lasted 12 minutes, but that has been resolved. She is 75 years old". Per husbands caller verbatim "She was gonna make me breakfast that morning and found her just lazy eyes, she could not speak, she could hear cause she tried to pronounce our children's name. she tried moving her mouth, and then we sat her on the chai and in 15 minutes her speech came back". Reporter husband intervene and stated "she's still very very dizzy when she turns around she was to be careful, and this has been going on since 18Mar2021, it's been a year and a half. We saw on the internet and seen people report being dizzy for short time, but in others is still going on". When referred to HCP, reporter husband stated "she was rushed to the ER on 18Mar2022. They kept her overnight, after doing some tests, moved her into a room, did MRIS and all of that stuff. She cant stay longer, or go home and schedule an appointment, which she did. Then she saw her Medical Doctor and he recommended her to go down to (Name withheld), and we went several times. They did all kind of tests there, and they could not figure it out." Reporter husband also said (Name withheld) has now has gotten chiropractor help and acupuncture, and the lady at the acupunctured was able to straight her out, then she went to the Dentist and when they put her on the chair, she got all dizzy back and it has been that way ever since. "So I don't know if that is some liquid or something from the shots that is clogging somewhere and throws' her balance off." Reporter mentioned they googled that 35,000 people worldwide are dizzy from the shots, but that they are also hearing from different people about feeling dizzy for few days, months and then back to normal. Reporter husband mentioned that her wife was put in a machine, the head of Neurologist said "we cannot find anything, no stroke, it all leads back to the shot. The information on the batch/lot number for BNT162b2 has been requested and will be submitted if and when received.