seizures; migraines; fever; memory loss; splurge speech/slurred speech; Arm would lift for no reason; drooling; She has to be carried up-stairs to bed/She is unable to walk upstairs to go to bed; She will fall down every hour; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team, Program ID.  A 20-year-old female patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), as dose 3 (booster), single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history included: "Ear infection" (unspecified if ongoing), notes: She had an ear infection at 6 months old but that was it. The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (Dose: 1), for COVID-19 Immunization; Bnt162b2 (Dose: 2), for COVID-19 Immunization. The following information was reported: SEIZURE (hospitalization, medically significant), outcome "unknown", described as "seizures"; MIGRAINE (hospitalization), outcome "unknown", described as "migraines"; PYREXIA (hospitalization), outcome "unknown", described as "fever"; AMNESIA (hospitalization), outcome "unknown", described as "memory loss"; DYSARTHRIA (hospitalization), outcome "unknown", described as "splurge speech/slurred speech"; MOVEMENT DISORDER (hospitalization), outcome "unknown", described as "Arm would lift for no reason"; DROOLING (hospitalization), outcome "unknown"; GAIT DISTURBANCE (hospitalization), outcome "unknown", described as "She has to be carried up-stairs to bed/She is unable to walk upstairs to go to bed"; FALL (hospitalization), outcome "unknown", described as "She will fall down every hour". The patient underwent the following laboratory tests and procedures: Blood test: Unknown Result; Urine: Unknown Result. Therapeutic measures were taken as a result of pyrexia, movement disorder.  Clinical course: Niece (20 y/o) taken 3 of the shots, booster she had taken prior developed seizures, migraines, fever and several symptoms and need help in the hospital. Doctors can't figure it out. (Memory loss, splurge speech, pic her up took upstairs, 20 -30 symptoms and stopped talking. Arm would lift for no reason. Massive seizure. Given Vallum every day to calm her nerves and Tylenol for fevers. caller states the patient is currently hospitalized. She must be carried upstairs to bed. She is also being given aspirin to thin her blood. The doctor said this was on record that this had started because of the third booster shot. The first and second one was fine but the third one did not require a signature on this shot to be taken. That they were paid to take this shot, has been taken by our niece. 3 days after that all these symptoms came into play. It started out minor and then it came in superior. Every week she would be in the hospital, and she couldn't even be in school. She can't go to college. She can't have a family is what was said by the doctor. There is no future family for her. The doctors had told her that there was no college for her, that there is no schooling for her because of her symptoms. That she will fall once an hour and she has developed slurred speech and started drooling at her mouth. And memory loss. She would forget as you talking to her. Like when we are speaking to her, how are you and she will make a conversation and not even 4-5 minutes later she would forget the conversation and then start drooling at her mouth. Saliva would come out of her mouth. They did mention now that no college, schooling, and what they see even a future of marriage for her should be gone. She needs home care. In reference to being told Pfizer does not have a cure and cannot make treatment recommendations caller states She has no record of taking any pill for all her life, not even a vitamin. Since the Pfizer shot that's when everything started ma'am. There is no previous medical history. A clean perfect student. Never took an aspirin in her life. She had an ear infection at 6 months old but that was it. So, a clean healthy child all her life. There must be something that we can do to help her because all the medical doctors that we took her to have no clue. They took blood. They took urine. They took every single, everything you could name of they done the tests and they're scratching their heads because they said they have no cure, no treatment or anything to help her. Transferring agent stated, "So, his niece was currently in the hospital (Further clarifications unknown) She has been given valium (Intent: Treatment) every day to calm her nerves, a Tylenol (Intent: Treatment) for fever and aspirin (Intent: Treatment) to thin her blood. The doctor said that this is on record because it's the third dose that she received, the booster shot and he said the symptoms started three days after she received the booster, they started out very minor and then progressed too superior. Every week she would be in the hospital. The physicians told her that she would have not been able to go to college. She would not be able to have any type of schooling. She will fall down every hour and she does not have a future regarding being able to get married. He says that she forgets a conversation 4-5 mins after she has had it and then she starts drooling and the doctor said she needs home care and she has no record of taking any pills or vitamins all of her life. She has no previous medical history, and she has never taken an Asprin in her life and she only time she has been sick is when she had an ear infection when 6 months old.   No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.