dizziness; vertigo; could hardly walk; much worse than the first time; she couldn't lift her head off her pillow for 3 days.; Vomiting; her arm was also sore for about a day; 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 70 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 30Apr2021 13:15 (Lot number: ER8736) at the age of 70 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "Heart Problems" (ongoing), notes: Verbatim: Heart Problems; Prolapse Valve and 2, Heart Attacks; "Diabetes" (ongoing), notes: didn't know that she had it; Started 10 years ago; "Asthma" (ongoing), notes: born with Asthma; "High Blood Pressure" (ongoing), notes: Started 30 years ago; "Circulation Problem with her Legs" (unspecified if ongoing), notes: Started 4 Yea rs Ago; "Thyroid Problem" (unspecified if ongoing), notes: Started 10 years ago; "Prolapse Valve" (ongoing), notes: Verbatim: Heart Problems; Prolapse Valve and 2, Heart Attacks; "2 Heart Attacks", start date: 09Jan2021 (ongoing), notes: born with the heart problem. Caller states her Heart Attacks were 10 Years Apart. There were no concomitant medications. Vaccination history included: Bnt162b2 (Dose 1, single, Lot: EWO150), administration date: 09Apr2021, when the patient was 70 years old, for covid-19 immunisation, reaction(s): "Dizziness; Feeling Very Dizzy"; Flu vaccine (Patient didn't need to take flu vaccine anymore. She got it one time & that was the only time as she got sick. It was 4yrs ago.), for immunisation, reaction(s): "very sick", "pneumonia"; Flu vaccine, for immunisation, reaction(s): "coughing", "short of breath", "sneezing". The following information was reported: DIZZINESS (non-serious) with onset 08May2021, outcome "recovered" (11May2021), described as "dizziness"; VERTIGO (non-serious) with onset 08May2021, outcome "recovered" (11May2021), described as "vertigo"; WALKING DISABILITY (non-serious) with onset 08May2021, outcome "recovered" (11May2021), described as "could hardly walk"; CONDITION AGGRAVATED (non-serious) with onset 08May2021, outcome "recovered" (11May2021), described as "much worse than the first time"; HEAD DISCOMFORT (non-serious) with onset 08May2021, outcome "recovered" (11May2021), described as "she couldn't lift her head off her pillow for 3 days."; VOMITING (non-serious) with onset 08May2021, outcome "recovered" (11May2021), described as "Vomiting"; PAIN IN EXTREMITY (non-serious) with onset 2021, outcome "recovered" (2021), described as "her arm was also sore for about a day". Therapeutic measures were taken as a result of dizziness, vertigo, walking disability, condition aggravated, head discomfort, vomiting.  Additional information: Patient did not receive any prior vaccinations (within 4 weeks). Family Medical History Relevant to AE(s): included that her daughter had the Moderna and she just had flu like symptoms for 2 days and a mild case of vertigo for 2 days, but it was not as bad as hers. Patient did not visit emergency room or physician office because if a person has a heart condition and goes to the ER, they want to keep her overnight to observe her and she didn't want to do that. Patient reported that she has received both Covid vaccine doses, but that 5 days after receiving her first dose she had the side effect of being "very dizzy", after the 2nd shot on 30Apr, it was 8 days after, but she had the same side effect, "It was like vertigo, could hardly walk". The second time was worse, "with throwing up" and "patient could not lift head off of the pillow for 3 days" and "had to stay laying flat and could not lift my head up". Patient reports, that saying its vertigo is mild to describe what she experienced. Patient also reports "she thought she was good, it always seemed like when I'd get up, she can't get up because she was so dizzy she had to lay back down. She had to hold on to everything to try to go to the restroom, may got to find some depends because may not be able to make it." Patient reported that the second time she thought she was good when she didn't have dizziness after 5 days and thought it wouldn't happen again, but then it began again 8 days after her second dose. Reports "this time her stomach got to like, don't like being dizzy so you're just gonna have to throw up for a while". Patient reports that she told her doctor, who then told her "Having Covid is worse than having the after affect of the shot". Patient also reports that her arm was also sore for about a day. Reported asked if that has been reported? Patient reports that she is a little weary about getting a booster dose of the vaccine after her experience. Also states that her grandson is scheduled to get his vaccination. Patient was more worried about the booster dose if she gets one. Treatment included Tylenol.  Follow-up attempts are completed. No further information is expected.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202101069641 same patient, different dose vaccine and different event.