This time after physical therapy, hasn't recovered, legs have remained very weak; it was difficult to stand up; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 77 year-old male patient received bnt162b2 (BNT162B2), administered in arm right, administration date 29Apr2021 15:30 (Lot number: EW0171) at the age of 77 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "Guillain Barre syndrome" (unspecified if ongoing); "control muscles" (unspecified if ongoing); "Blood pressure" (unspecified if ongoing); "depression" (unspecified if ongoing); "Hypothyroid" (unspecified if ongoing). Concomitant medication(s) included: CLONAZEPAM taken for guillain-barre syndrome; TOPAMAX; COREG taken for blood pressure measurement; LOSARTAN "AGP" taken for blood pressure measurement; HYDROCHLOROTHIAZIDE; NIASPAN taken for blood pressure measurement; BUPROPION HCL XL; LEVOTHYROXINE SODIUM; ACETYLSALICYLIC ACID. Vaccination history included: Bnt162b2 (Dose 1, Lot no. # EW0153, route of administration: right shoulder, right upper arm), administration date: 08Apr2021, when the patient was 77 years old, for COVID-19 immunization. The following information was reported: MUSCULAR WEAKNESS (non-serious) with onset 29Apr2021, outcome "not recovered", described as "This time after physical therapy, hasn't recovered, legs have remained very weak"; DYSSTASIA (non-serious) with onset 29Apr2021, outcome "unknown", described as "it was difficult to stand up".  Additional Context: Emergency room or Physician office? No, not yet, caller hasn't asked, caller left a message with the Neurologist about what's going on to see if the Neurologist had any comments. Caller has not seen any doctors about it, doesn't know what's going on, caller is staying like this. Caller is looking for maybe some answers, not sure what to do or how long its going to go on or what to do about it. Caller is wondering if, caller asked if Guillain Barre was contraindicated with the Pfizer Covid 19 Vaccine and everybody said no, there is no danger.  Caller is just wondering if any reports of symptoms that the caller is reporting?    Caller is a consumer reporting he received second dose last Thursday, 29Apr2021 of the Pfizer Covid 19 Vaccination. Caller is going to try to explain what's going on.  Last Thursday, 29Apr2021 in the morning the caller had a physical therapy session, in the afternoon of 29Apr2021 the caller received the second dose Pfizer Covid 19 Vaccine. Usually, physical therapy wears the caller out a little bit.  Prior to the Pfizer Covid 19 Vaccination, caller was having physical therapy from a back problem and usually recovers from therapy the next day, wears caller out a little bit. Caller should say he has a history of Guillain Barre Syndrome from several years ago. This time after physical therapy, hasn't recovered, legs have remained very weak: This time after physical therapy, the caller hasn't recovered, legs have remained very weak.  Caller reports its not getting any better.  Caller doesn't know if its in relation to the Pfizer Covid 19 Vaccine or not that is why caller is talking to Pfizer. Caller reports no problems after receiving the first dose Pfizer Covid 19 Vaccine, nothing that caller can recall, nothing like this.   No follow-up attempts are possible. No further information is expected.