kidney problems/kidney had swelled up; Cold; myalgia allergic reaction; it was more of a pain-causing thing, mostly in his leg after eating shellfish; developing an allergic reaction to shellfish after getting the vaccine; 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 68 year-old male patient received bnt162b2 (BNT162B2), intramuscular, administered in arm left, administration date 02Dec2021 (Lot number: FF8841, Expiration Date: Mar2022) at the age of 67 years as dose 3 (booster), 0.3 ml single and intramuscular, administered in arm left, administration date 03Mar2021 (Lot number: EN6199, Expiration Date: Jun2021) as dose 2, 0.3 ml single for covid-19 immunisation. Relevant medical history included: "High blood pressure" (unspecified if ongoing); "Allergy to squid" (unspecified if ongoing). Concomitant medication(s) included: FLU VACCINE VII, start date: 22Dec2021, stop date: 22Dec2021. Vaccination history included: Bnt162b2 (Dose: 1, Lot: EM9809, Expire date: Jun2021, 0.3 ml, Route of administration: Intramuscular, Anatomical location: Right arm, Primary immunization series completed, Manufacturer unknown), administration date: 03Feb2021, for COVID-19 immunization. The following information was reported: RENAL IMPAIRMENT (medically significant) with onset Feb2022, outcome "unknown", described as "kidney problems/kidney had swelled up"; FOOD ALLERGY (non-serious) with onset 2021, outcome "unknown", described as "developing an allergic reaction to shellfish after getting the vaccine"; NASOPHARYNGITIS (non-serious) with onset 2022, outcome "not recovered", described as "Cold"; PAIN IN EXTREMITY (non-serious) with onset 2021, outcome "unknown", described as "it was more of a pain-causing thing, mostly in his leg after eating shellfish"; MYALGIA (non-serious) with onset 2022, outcome "unknown", described as "myalgia allergic reaction". The event "kidney problems/kidney had swelled up" was evaluated at the physician office visit. The events "developing an allergic reaction to shellfish after getting the vaccine" and "it was more of a pain-causing thing, mostly in his leg after eating shellfish" were evaluated at the emergency room visit. The patient underwent the following laboratory tests and procedures: blood test: unknown result; computerised tomogram: unknown result; urine analysis: unknown result. When the patient ate a couple of oysters, he ended up going to the ER, but they did not "do much for him".  He typically ate seafood regularly, and now had to stay away from it, although before the booster dose, he was able to eat squid. When the patient ate squid, his leg started bothering him. He stated that the doctor said it was an allergic reaction. He did not go to the doctor for that, but he had an allergic reaction to a statin once that bothered his leg the same way and his doctor said it was a myalgia allergic reaction kind of thing, so he figured that was the same kind of thing. Recently he had a cold and had a couple or oyster shooters, and all the sudden he had kidney problems and his leg was bothering him again. He doesn't remember the dates, but on a Sunday he went to (privacy), then Monday, Tuesday, and Wednesday he had the cold. Wednesday and Thursday he took 1 oyster shooter each day; he still had the cold those days. On Friday his leg started bothering him. Stated that he worked for himself and was called to do a sign job. He worked 2 days in pain, but had to go to the ER on a Saturday. Stated that he had forgotten all about the cold and the oysters he had, then the doctors said that his kidney had swelled up. The patient stated that he was calling to find out if there were any reports of becoming allergic to shellfish after getting the vaccine. He stated that the first time he noticed his leg bothering him was after getting the booster, which was a couple months ago. The patient ate the baby octopus and had a reaction to it between the 2nd and 3rd dose of the Covid 19 Vaccine. It was stated that the doctor told him that because his kidney had been swollen for such a long time that the kidney needed to be removed. The patient did not knew the specific diagnosis or the specific reason for needing his kidney removed other than because it has been swollen. The patient took the Covid 19 Vaccine so that he doesn't get covid. Prior Vaccinations (within 4 weeks), the patient did not take any other vaccinations within four weeks prior to the first administration date of the suspect vaccine.  No follow-up attempts are possible. No further information is expected.