I have developed a what is called Olecranon Bursitis on both elbows; It basically is very large swelling of the posterior parts of my elbow on both sides right and left; This is a spontaneous report received from a contactable reporter(s) (Physician). The reporter is the patient.  A 74-year-old male patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 11May2023 as dose number unknown, single (Lot number: GJ3268) at the age of 74 years intramuscular, in left arm for covid-19 immunisation. The patient's relevant medical history included: "Hypertension" (ongoing), notes: The patient was taking a statin in the evening and some additional blood pressure medicines. Concomitant medication(s) included: HYDRALAZINE taken for hypertension. Vaccination history included: BNT162b2 (Dose Number Unknown, Single), administration date: 13Sep2022, for Covid-19 Immunization.  The following information was reported: BURSITIS (non-serious), outcome "unknown", described as "I have developed a what is called Olecranon Bursitis on both elbows"; JOINT SWELLING (non-serious), outcome "unknown", described as "It basically is very large swelling of the posterior parts of my elbow on both sides right and left". Therapeutic measures were not taken as a result of bursitis, joint swelling.  Additional information: Consumer (Physician) stated that he had a complication and he suspect of Pfizer vaccination, and he just want to report. The patient had the Bivalent Pfizer (Clarified as Pfizer COVID 19 Bivalent vaccine) vaccine on 11May2023. and about 3 weeks later the patient had developed a what it called Olecranon Bursitis on both elbows, the local term was called Popeye elbow, that was a cartoon character. It basically was very large swelling of the posterior parts of his elbow on both sides right and left and now he was into his 3rd week of swelling. The patient had not had any pain, but he think it was something unprecedented in his health that this should have happened, and he suspect, and the patient had read that it has happened after vaccination with other patients (General statement). The patient wanted to report it, if there is any advice that Pfizer would like to give, The patient would gladly accept it. The patient was a faculty neonatologist, a neonatologist and he was not disabled by this. The patient further stated that first want to make sure that the vaccine company and other company was aware and that was just apparently a, something seen before, others have reported it. The patient don't know the natural history of this condition many times complaints of painful arthritis have been reported but his was not painful and he would like to, if anyone at Pfizer has recommendation based on their experience with other patients. The patient was taking a statin in the evening and some additional blood pressure medicines; which helped excellent. The patient stated that he can't remember if it's his left or right arm. He think it was his left arm. The patient stated that prior vaccine start of Pfizer bivalent the last vaccine he had was on 13Sep2022 that was Pfizer COVID vaccine. The patient not received treatment for the reported adverse event.