couldn't stand him up; speech wasn't right; he is so weak.; couldn't understand him and he couldn't sit up; couldn't understand him and he couldn't sit up; couldn't sleep; He urinated in his diaper three times, which he doesn't usually do that he usually uses the urinal; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP).  A 77-year-old male patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 23Oct2022 as dose 5 (booster), single (Lot number: GH9697) at the age of 77 years, in arm for covid-19 immunisation. The patient's relevant medical history included: "Deep brain stimulation" (unspecified if ongoing), notes: This was put in August 2022 or August 2021, she can't remember exactly.; "Parkinson's", start date: Apr2015 (unspecified if ongoing); "walked with a walker" (unspecified if ongoing). There were no concomitant medications. Vaccination history included: BNT162b2 (Dose 1, LOT: ER8982), administration date: 28Jan2021, when the patient was 75-year-old, for COVID-19 immunization; BNT162b2 (Dose 2, LOT: EN6201), administration date: 18Feb2021, when the patient was 75-year-old, for COVID-19 immunization; BNT162b2 (Dose 3 (Booster), LOT: FF8841), administration date: 06Oct2021, when the patient was 76-year-old, for Covid-19 immunization, reaction(s): "Walking difficulty", "Injection site discomfort"; BNT162b2 (Dose 4 (Booster), LOT: FJ9943), administration date: 19Apr2022, when the patient was 77-year-old, for COVID-19 Immunization. The following information was reported: URINARY INCONTINENCE (hospitalization) with onset 23Oct2022, outcome "unknown", described as "He urinated in his diaper three times, which he doesn't usually do that he usually uses the urinal"; INSOMNIA (hospitalization) with onset 23Oct2022, outcome "unknown", described as "couldn't sleep"; DYSSTASIA (hospitalization, disability) with onset 24Oct2022, outcome "unknown", described as "couldn't stand him up"; THINKING ABNORMAL (hospitalization), SITTING DISABILITY (hospitalization) all with onset 24Oct2022, outcome "unknown" and all described as "couldn't understand him and he couldn't sit up"; ASTHENIA (hospitalization) with onset 24Oct2022, outcome "unknown", described as "he is so weak."; SPEECH DISORDER (hospitalization, disability) with onset 24Oct2022, outcome "unknown", described as "speech wasn't right". The patient was hospitalized for dysstasia, speech disorder, urinary incontinence, asthenia, insomnia, thinking abnormal, sitting disability (start date: 24Oct2022). The events "couldn't stand him up", "speech wasn't right", "he urinated in his diaper three times, which he doesn't usually do that he usually uses the urinal", "he is so weak.", "couldn't sleep" and "couldn't understand him and he couldn't sit up" required physician office visit. The patient underwent the following laboratory tests and procedures: Blood test: (24Oct2022) fine; Culture urine: (24Oct2022) fine.  Additional information: Consumer calling about her husband who got the booster, the last one, and he landed up in the hospital yesterday. He got the vaccine at noon on Sunday and he came home and ate dinner and was fine, she put him to bed and got him up at seven and he had a snack and she laid him back down at midnight but he couldn't sleep so he went back up and was up all night. He urinated in his diaper three times, which he did not usually do that he usually used the urinal, but she couldn't stand him up in the morning and his speech wasn't right. She couldn't get him up and had to call the paramedics and they took him to the hospital which he is still there, and he was also a Parkinson's patient. Caller says her husband's Pfizer COVID-19 vaccine card information is handwritten. NDC/EXP were not provided on vaccine card for any of his doses. His last dose was the Pfizer COVID-19 bivalent vaccine, which was his first dose of that, on Sunday 23Oct2022. On 24Oct she woke him up at 07:30 in the morning actually he wanted to get up, but then she couldn't understand him and he couldn't sit up. She called the paramedics who took him to the hospital immediately. They did no treatment there, and they did blood and urine tests and said everything looked fine. He was admitted to the hospital 24Oct, and they may have to put him in rehab because he was so weak. It was like all the life went out of him after he got the vaccine. Before it he walked with a walker back and forth, then it seemed like after the shot the morning after they came home he ate and did his regular routine, then the next morning she couldn't get him up. Her husband went to a neurologist and urologist.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202101342031 Same product, patient, different event, different dose;