Seizures; she can't walk; blood pressure went up; fever; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP).  An 82-year-old female patient received BNT162b2 (BNT162B2), in 2022 as dose 3 (booster), single (Batch/Lot number: unknown) for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications. Vaccination history included: Bnt162b2 (DOSE 1, SINGLE), administration date: 2021, for Covid-19 Immunization, reaction(s): "no problems with the first 2 doses"; Bnt162b2 (DOSE 2, SINGLE), administration date: 2021, for Covid-19 Immunization, reaction(s): "her mother in law got the first 2 Pfizer shots 2 weeks apart". The following information was reported: SEIZURE (hospitalization, medically significant) with onset 2022, outcome "not recovered", described as "Seizures"; GAIT INABILITY (non-serious), outcome "not recovered", described as "she can't walk"; BLOOD PRESSURE INCREASED (non-serious), outcome "unknown", described as "blood pressure went up"; PYREXIA (non-serious), outcome "unknown", described as "fever". The patient was hospitalized for seizure (start date: 2022). The patient underwent the following laboratory tests and procedures: Blood pressure measurement: blood pressure went up, notes: blood pressure went up.  Clinical Course: Reporter Mother-in-Law, no one told her, it's the government, which she would call the local government after this call, her mother-in-law said she thought if she wanted to be around family then she needs to get vaccinated, her mother-in-law got the first 2 Pfizer shots 2 weeks apart and got the booster. Her husband told his mom to stop, but her mother-in-law would say oh, but she doesn't want to get sick. Ever since her mother-in-law got the booster, she's been having seizures. Her mother-in-law does not smoke or drink, she still works. Her granddaughter in other words her niece had to take her to the hospital, now because of seizure she can't walk and must use the walker. Caller states that she was also now really concerned for her friend. Date of birth: She does know the date it was, (DOB). HCP: Declined. She does not want to cause trouble with the family. Caller stated that she does not know the exact dates of when her mother-in-law got all her Pfizer covid vaccines. The first 2 doses were in the beginning of 2021, and she didn't get Booster till this Spring 2022. There were no problems with the first 2 doses, the seizures started after the booster. Now she can't walk and had to use a walker. The Seizures are still the same, she visited this summer, and had one right in the den, it was scary, she doesn't know when the seizures are going to happen. Caller does not have any Lot numbers of the covid vaccines her mother-in-Law received. Concomitant Medications: No, she had never been on any medication. Medical conditions: No, she was the healthiest in the family. Investigation: She went to hospital over the week because her blood pressure went up, she never had that before, she had a fever, and the seizure happened, her granddaughter had to drive her to the hospital, they did a battery of test and everything came back normal, they told her to go see a neurologist. When probed for Hospitalization dates, caller states that she just went to the hospital last week in Aug2022. When attempted to clarify information with caller that she mentioned the seizures started in the spring, and if there was a hospitalization then, the caller states that she doesn't know, she then states that she doesn't know if the seizures started in spring. Allergies: No, no one in the family, they are very healthy people. Caller stated that she had nothing else to say about her mother-in-law. She looks up scientist, and 9 out of 10 don't want to see anyone else hurt. Caller stated that she doesn't think anyone trying to hurt anyone intentionally, but this was pushed to the kids. She can't stand Dr. (Name) torturing puppies, she even had a family member worked for Pfizer for years and was the nicest guy every, she knows that no one was trying to hurt anyone intentionally, she just wants this madness to end, she was now scared to go doctor, the doctor tries to push it on her, she just walked out, she wore a mask and had never got the vaccine. When she knew the government involved, she knew not to get, caller stated that she never got covid. People that get the vaccine always say they are sick every 2 weeks. She knows Pfizer didn't mean it, she was not trying to be a (Abusive word), she was just trying to prevent all this.  The information on the batch/lot number for BNT162b2 has been requested and will be submitted if and when received.