she started having chest pains of a 2 to 3 on a scale of 1 to 10 and was achy and definite pain but not an ache and seemed to be right in the center of her chest like in both sides of her breasts in that area of the chest and it only lasted maybe 2 m; felt she was going to pass out; became very disoriented.; did not feel well; quite unwell and sick and got up; has not been well since Sunday; entire body got a shock of something; had no energy; little tired; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 95-year-old female patient received BNT162b2 (BNT162B2), on 29Apr2022 as dose 4 (booster), single (Lot number: F39941) at the age of 95 years for covid-19 immunisation. The patient's relevant medical history included: "Diabetes" (ongoing), notes: Diabetes, since age 80; "High blood pressure" (unspecified if ongoing), notes: severe hypertension, High blood pressure; "swelling in her feet and legs" (unspecified if ongoing); "swelling in her feet and legs" (unspecified if ongoing). The patient took concomitant medications. Vaccination history included: BNT162b2 (States for her 1st dose of the Pfizer Covid vaccine, it was administered on 08Feb2021 and she has to get her glasses for the vaccine lot number of 3N5318 that is handwritten on her card), administration date: 08Feb2021, when the patient was 94-year-old, for Covid-19 immunization; BNT162b2 (states her 2nd dose was administered on 01Mar2021 with the lot number as far as she can read looks like EM2303 and states no it looks different and is like EM or N6203), administration date: 01Mar2021, when the patient was 94-year-old, for Covid-19 immunization; BNT162b2 (states her third dose was on 04Oct2021 and looks like lot number FE357 but it could be 90 or 53590 and then states it is neither one of those numbers and it could be 35 and she is almost sure it is 3590), administration date: 04Oct2021, when the patient was 95-year-old, for Covid-19 immunization.Caller states she has had no testing but covid; no further details provided by the caller; states she has medical conditions and has diabetes number 2 and was diagnosed with that she thinks when she had just turned age 80 so it was 35 years ago and has severe hypertension and was in the hospital with it but states she does not know when she was diagnosed or when her she was in the hospital; no further details provided by the caller.  The following information was reported: FATIGUE (non-serious) with onset 29Apr2022, outcome "unknown", described as "little tired"; ASTHENIA (non-serious) with onset 30Apr2022, outcome "unknown", described as "had no energy"; ELECTRIC SHOCK SENSATION (non-serious) with onset 01May2022, outcome "unknown", described as "entire body got a shock of something"; MALAISE (non-serious) with onset 01May2022, outcome "unknown", described as "has not been well since Sunday"; CHEST PAIN (non-serious), outcome "recovered", described as "she started having chest pains of a 2 to 3 on a scale of 1 to 10 and was achy and definite pain but not an ache and seemed to be right in the center of her chest like in both sides of her breasts in that area of the chest and it only lasted maybe 2 m"; PRESYNCOPE (non-serious), outcome "unknown", described as "felt she was going to pass out"; DISORIENTATION (non-serious), outcome "unknown", described as "became very disoriented."; FEELING ABNORMAL (non-serious), outcome "not recovered", described as "did not feel well"; MALAISE (non-serious), outcome "unknown", described as "she was really quite unwell and sick and got up". Relevant laboratory tests and procedures are available in the appropriate section.After her 2nd booster shot on 29Apr2022, she got the shot on Friday and was fine and a little tired and had been up on the floor all day but she does not connect that with the shot. Then on Saturday morning she woke up not feeling well and not herself at all, did not feel right, was scared to get into the shower as her family was not home and she was alone, had no energy and around 4:00 was feeling an awfully a lot better to make very nice dinner and was able to eat it and felt fine, watch tv and went to bed.she woke up Sunday morning with the same thing and did not feel well and it was a much stronger unwell feeling that she was really quite unwell and sick and got up and thought she has got to open the window and figured out the house windows were closed up because it was a cold night so she was trying to get air.she opened the doors and tried to get her head out of the screen and did not have the energy to slide it over and was standing there trying get the fresh air. States then something happened in her body that the only way to describe it is electric shock and her entire body got a shock of something and there has been storms so it was a lightening shock and felt she was going to pass out and became very disoriented. she had a walker next to her chair and managed to make it to the chair before going on her knees to get into the chair and from then on has not been feeling quite right. States for the unwell feeling she is not better and not feeling good at all and it was worse and she started having chest pains of a 2 to 3 on a scale of 1 to 10 and was achy and definite pain but not an ache and seemed to be right in the center of her chest like in both sides of her breasts in that area of the chest and it only lasted maybe 2 minutes or less and she did not time it but it did concern her and she did not have energy to call anybody and couldn't dial or concentrate on the numbers so she started to pray.  States she had to find a distraction and was feeling terrible and tried to think about anything else and was very scared because she is so very alone. she has started two new medications within 2 weeks prior to her symptoms beginning and does not know the names, start dates, or product information as they are not with her at this time.  States the other medication she started was for having a lot of swelling in her feet and legs from her diabetes and it is a water pill.Caller asks if her incident that she had on Sunday morning with the peculiar strange shock like electric shock she had has happened in anyone else.  No follow-up attempts are possible. No further information is expected