muscle pain and joint and pain/terrible muscle and joint pain back of legs where they bend and muscle in both arms; muscle pain and joint and pain/terrible muscle and joint pain back of legs where they bend; muscle pain and joint and pain; he couldn't lift his arms; he couldn't even get out bed; adds he couldn't get up out of the bath if he sat down.; after he got his legs back he couldn't walk; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 78 year-old male patient received bnt162b2 (BNT162B2), intramuscular, administered in arm right, administration date 08Feb2021 09:15 (Lot number: EN5318) at the age of 78 years as dose 2, single for covid-19 immunisation. The patient had no relevant medical history. There were no concomitant medications. Vaccination history included: Bnt162b2 (Dose 1, Vaccination time: 09:30, Lot Number:GL1283, Expiry Date: Unknown, Route of Administration: intramuscular, Anatomical Location: right arm), administration date: 18Jan2021, when the patient was 78 years old, for covid-19 immunization, reaction(s): "No adverse event". The following information was reported: MYALGIA (non-serious) with onset 22May2021, outcome "recovering", described as "muscle pain and joint and pain/terrible muscle and joint pain back of legs where they bend and muscle in both arms"; ARTHRALGIA (non-serious) with onset 22May2021, outcome "recovering", described as "muscle pain and joint and pain/terrible muscle and joint pain back of legs where they bend "; PAIN (non-serious) with onset 22May2021, outcome "recovering", described as "muscle pain and joint and pain"; HYPOKINESIA (non-serious) with onset 22May2021, outcome "recovering", described as "he couldn't lift his arms; he couldn't even get out bed; adds he couldn't get up out of the bath if he sat down."; GAIT DISTURBANCE (non-serious) with onset 22May2021, outcome "recovering", described as "after he got his legs back he couldn't walk". Therapeutic measures were taken as a result of myalgia, arthralgia, pain, hypokinesia, gait disturbance.  Additional Information: The patient did not receive any other vaccines within 4 weeks prior to the covid 19 vaccine. The patient medical history and concomitant medications was none. relevant tests were none. Consumer calling regarding the Pfizer COVID vaccine. He had his first dose on 18Jan2021 and had no problems; then he had the second dose on 08Feb2021 and had no problems. Adds he is seventy-eight and one half years old and he had not problems with the vaccine. Adds he does not know if it is related but in the middle of May2021 he woke up with terrific muscle and joint pain; adds he could not get out of bed; adds he has never had pain; he thought maybe he should report. Caller confirms he had no problems after the vaccinations until mid May2021. Reports he had terrific muscle and joint pain. Adds it felt like when you have been outside throwing a baseball after not doing it for ten years; he could not lift his arms; he could not even get out bed; adds he could not get up out of the bath if he sat down. Adds now it still hurts to sit in the automobile; it hurts on the back of his legs; and he still has to take shower because he gets up if he sits in the tub. State this week it has gotten better, as of about 02Sep2021. Adds now it is not anything like it was. He used to walk three miles a day with no problem; after he got his legs back he could not walk; but now he can walk around the block. He was worried he would be this way for the rest of his life. Adds it used to hurt all the time but now it just hurts with certain bends or stretches. He saw for a doctor or went to the emergency room, he states he got near to it but he just kept thinking it would go away. He had no treatment. The patient not went to emergency room and physician office. The patient was wake up the morning on 22May2021, experienced terrible muscle and joint pain back of legs where they bend and muscle in both arms, never had a pain before. Before this I walked 3 miles a day, I had to quit walking, can't take bath can't get up and down got better on got much better on 02Sep2021. Took ibuprofen as OK 02Sep2021 felt good. Pain came back on 11Sep2021, not as back I can walk again still hurts to get up and down. Stopped ibuprofen 12Sep. The patient did not receive any other vaccines prior to adverse events.  No follow-up attempts are possible. No further information is expected.