drowsiness; taste buds were completely shot; low appetite; low heart rate; exhausted; low blood pressure; no energy; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team for a Pfizer sponsored program (159558). The reporter is the patient.  A 77 year-old female patient received bnt162b2 (BNT162B2), administration date 15Apr2021 (Lot number: EN6201) as dose 2, single for covid-19 immunisation. Relevant medical history included: "Flu" (unspecified if ongoing), notes: In the early ages of her 20s she had contracted [City name] flu and was very sick.; "Rh-negative" (unspecified if ongoing). The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (First dose:, Lot: EN6206), administration date: 25Mar2021, for COVID-19 Immunization. The following information was reported: SOMNOLENCE (non-serious) with onset Apr2021, outcome "unknown", described as "drowsiness"; TASTE DISORDER (non-serious) with onset Apr2021, outcome "unknown", described as "taste buds were completely shot"; DECREASED APPETITE (non-serious) with onset Apr2021, outcome "unknown", described as "low appetite"; HEART RATE DECREASED (non-serious) with onset Apr2021, outcome "unknown", described as "low heart rate"; FATIGUE (non-serious) with onset Apr2021, outcome "unknown", described as "exhausted"; HYPOTENSION (non-serious) with onset Apr2021, outcome "unknown", described as "low blood pressure"; ASTHENIA (non-serious) with onset Apr2021, outcome "unknown", described as "no energy". The events "low heart rate" and "low blood pressure" were evaluated at the physician office visit. Relevant laboratory tests and procedures are available in the appropriate section.  Additional information: Caller states she has received 2 doses of the Pfizer Covid vaccine (first one 25Mar2021, second on 15Apr2021) and started to experience side effects after the second dose. She doesn't provide a specific time in which the side effects started but states after the second dose she experienced drowsiness, taste buds were "completely shot", low appetite, and low heart rate (41 bpm and sometimes down into the 30's range for heart rate). She wants to know any information about the low heart rate and it's correlation with the Pfizer Covid vaccine. she experienced when received Pfizer Covid-19 Vaccine last year. When she got the second shot she felt that she was absolutely exhausted for at least 2 months or so. She had no energy and also had low blood pressure. Taste buds were gone, like the taste buds were just not there. She had very low appetite, everything looked good, but if she put it in her mouth just couldn't eat it. She did go back and got her last pressure from her primary care doctor which was good. her pressure is usually in the 60s but she has not seen anything good since she started taking notes. Her pressures are all in the 40s and very low 50s, maybe 51-52. Today pressure are in the very low 40s. This is very concerning to her. She has never had a flu shot. In the early ages of her 20s she had contracted (City Name) flu and was very sick. She had no idea that (City Name) flu was something similar to what they're going through now. She does not know if that had any effect. She does not get colds and does not take the flu shot. She is RH negative, she does not know if that has any bearing on anything; but usually people who are RH negative don't wind up getting ill or winding up in the hospital. The purpose of her call today is to ask is this going to be with her forever, the symptoms she has had since Pfizer Covid-19 Vaccine, She needs to know what to do. Her own heart doctor couldn't even give her an answer and she's a pretty good doctor. Her primary care doctor she does not even know why she still sees does not know. Caller is at a loss. All she wants to know, is evidently she did have some sort of a reaction to these shots and needs to know can she do something to help her,She takes a lot of vitamins which she has taken for years.  No follow-up attempts are possible. No further information is expected.