Pain in both elbows going up to both shoulders is still there, but has decreased/Pain in both knees up to hips, in the front of his legs; pain from both elbows to both shoulders intensified; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 77 year-old male patient received bnt162b2 (BNT162B2), administered in arm right, administration date 17Mar2021 10:30 (Batch/Lot number: unknown) at the age of 77 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 (COVID-19 Vaccine: First dose , Manufacturer: Pfizer, NDC/EXP: Unknown, LOT: EN9581, Dose amount: Unknown, Route: injection in left arm), administration date: 24Feb2021, when the patient was 77 years old, for COVID-19 immunization, reaction(s): "From both elbows to up his shoulders and 4 inches across his back, has had a dull pain", "From both elbows to up his shoulders and 4 inches across his back, has had a dull pain"; Flu (When he takes the flu shot, he is sick all winter., if he doesn't take the flu vaccine, very seldom does he ever catch a cold. , Has good health , Has no NDC/LOT/EXP for previous flu vaccines), for Immunization, reaction(s): "sick". The following information was reported: ARTHRALGIA (non-serious) with onset 2021, outcome "not recovered", described as "Pain in both elbows going up to both shoulders is still there, but has decreased/Pain in both knees up to hips, in the front of his legs"; CONDITION AGGRAVATED (non-serious) with onset 2021, outcome "not recovered", described as "pain from both elbows to both shoulders intensified". Relevant laboratory tests and procedures are available in the appropriate section.  Additional information: Began at a level of 4-6 on the 1-10 Pain Scale. Pain across back eased off before the second shot on 17Mar2021. After second shot, pain from both elbows to both shoulders intensified. Thought he was having a little bit of side effects and it would go away. It had not gone away. Pain had decreased from the first set, but it was still in his biceps and across the shoulders. At night had to sleep with arms in a certain position. Last couple months form the knees to hips, on the front, feels like he ran a marathon. Pain across his back only lasted for three weeks. He had shooting instantaneous pain if he moved his arm in the wrong position, but it only lasted for half a second. History of all previous immunization with the Pfizer vaccine considered as suspect (or patient age at first and subsequent immunizations if dates of birth or immunizations are not available) included Pfizer COVID-19 Vaccine. Adverse event did not require a visit to Emergency Room/Physician Office. Adverse event occurred following prior vaccinations to Flu vaccines. When he takes the flu shot, he was sick all winter. If he did not take the flu vaccine, very seldom does he ever catch a cold. Had good health. Prior Vaccinations (within 4 weeks) If applicable, list any other vaccinations within four weeks prior to the first administration date of the suspect vaccine(s), Additional Vaccines Administered on Same Date of the Pfizer Suspect, Patients Medical History (including any illness at time of vaccination), Family Medical History Relevant to AE(s) was reported as none. Relevant Tests was reported as unknown; had blood work done through the VA, but that was for his annual check-up and not in response to his side effects after the COVID-19 Vaccines.   The lot number for bnt162b2 was not provided and will be requested during follow up.