could not walk on his left foot; He had the same pain from second dose; Plantar fasciitis; It was found that this turned into a triple fracture from doing the exercise for the supposed plantar fasciitis/ triple fracture in his left heel; 286lb back then/ Weight (kg) 102.06/ lost 70 lb; Plantar fasciitis tightness up the tendon and muscle; Plantar fasciitis tightness up the tendon and muscle; weakness; lost his appetite; Covid; Covid; Dementia; Dementia; This is a spontaneous report received from contactable reporter(s) (Consumer or other non-healthcare professional). A 84 year-old male patient received bnt162b2 (BNT162B2), administered in arm left, administration date 18Feb2021 (Lot number: EN6198) at the age of 84 years as dose 2, single and administration date 25Jan2021 (Lot number: EK9231) as dose 1, single for covid-19 immunisation. Relevant medical history included: "Dementia" (ongoing), notes: The dementia was diagnosed 01Nov2021 but she knew he had it because she lived with him everyday. His mother, her sisters, his brothers all had it. She explains this was going on prior to getting the vaccine, "his hearing is not good" (ongoing), notes: his hearing is not good. The issue with his hearing is prior to the vaccine and due to serving in the military 24 years. Family history included: "Dementia" (unspecified if ongoing), notes: The dementia was diagnosed 01Nov2021, but she knew he had it because she lived with him every day. His mother, her sisters, his brothers all had it. She explains this was going on prior to getting the vaccine. The patient took concomitant medications. Vaccination history included: Flu shot (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): none. He has since had his flu and pneumonia shots but there has been no change in the patients foot), Pneumonia shot. The following information was reported: COVID-19 (medically significant), DRUG INEFFECTIVE (medically significant) all with onset 2021, outcome "unknown" and all described as "Covid", DISEASE RECURRENCE (medically significant) with onset 2021, outcome "not recovered", described as "dementia", DEMENTIA (medically significant) with onset 2021, outcome "not recovered", described as "Dementia", GAIT INABILITY (non-serious) with onset 22Feb2021, outcome "not recovered", described as "could not walk on his left foot", PAIN (non-serious) with onset 2021, outcome "unknown", described as "he had the same pain from second dose", PLANTAR FASCIITIS (non-serious) with onset 2021, outcome "unknown", described as "plantar fasciitis", FOOT FRACTURE (non-serious) with onset 2021, outcome "unknown", described as "It was found that this turned into a triple fracture from doing the exercise for the supposed plantar fasciitis/ triple fracture in his left heel", WEIGHT DECREASED (non-serious) with onset 2021, outcome "unknown", described as "286lb back then/ Weight (kg) 102.06/ lost 70 lb", TENDON DISORDER (non-serious), MUSCLE TIGHTNESS (non-serious) all with onset 2021, outcome "unknown" and all described as "Plantar fasciitis tightness up the tendon and muscle", ASTHENIA (non-serious) with onset 2021, outcome "unknown", described as "weakness", DECREASED APPETITE (non-serious) with onset 2021, outcome "unknown", described as "lost his appetite". The events "covid", "dementia", "he had the same pain from second dose", "286lb back then/ weight (kg) 102.06/ lost 70 lb", "plantar fasciitis tightness up the tendon and muscle", "plantar fasciitis tightness up the tendon and muscle", "weakness", "lost his appetite" were evaluated at the emergency room visit. The events "could not walk on his left foot", "plantar fasciitis" and "it was found that this turned into a triple fracture from doing the exercise for the supposed plantar fasciitis/ triple fracture in his left heel" were evaluated at the physician office visit and emergency room visit. The patient underwent the following laboratory tests and procedures: x-ray: (2021) fracture, notes: triple fracture in his left heel. Therapeutic measures were taken as a result of gait inability, plantar fasciitis, foot fracture.  Clinical course: Patient had her second dose. After that, 4 days later he could not walk on his left foot. He did n0t go to a podiatrist right away because they thought it would go away. It did not and so he went to the doctor and he was given a short boot. Two and half months ago he went back to the podiatrist because the problem was continuing. They were treating him for plantar fasciitis. It was found that this turned into a triple fracture from doing the exercise for the supposed plantar fasciitis, he was given a knee high boot at this point. On 18Nov2021 he went in for the booster shot. After he got the booster, 4 days later, she had to call the ambulance because he couldnt not walk at all on his left foot. The shot was given in his left arm. He was taken to the hospital where he was told that the fracture was healing and shouldnt be cause the pain. They kept him for 8 days for observation and now he is in a home due to not being able to walk on that foot. He was doing exercise on concrete step for the and she think that the fracture due to weakness from the Covid. The pain started 4 days after the Covid vaccine. He was withheld lb back then. Plantar fasciitis tightness up the tendon and muscle. He was diagnosed 3 months ago with the triple fractures. He is getting therapy now for that.