The caller had no appetite.; was just tired from the second dose; Second dose: Couldn't get up and couldn't do anything; Second dose: Couldn't eat anything; Second dose: Had fever; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 60-year-old female patient received BNT162b2 (BNT162B2), on 07Apr2021 as dose 2, single (Lot number: ER2613) at the age of 60 years, in left arm for covid-19 immunisation. The patient's relevant medical history included: "Anemic" (ongoing), notes: Anemic, Was diagnosed with after son was born 31 years ago. Concomitant medication(s) included: VITAMIN B 12 [CYANOCOBALAMIN] taken for anaemia. Vaccination history included: BNT162b2 (Dose 1, Batch/lot number: EN6203, Anatomical location: left arm), administration date: 16Mar2021, when the patient was 60-year-old, for COVID-19 immunization, reaction(s): "First dose: Had a little sore shoulder".  The following information was reported: PYREXIA (non-serious) with onset 07Apr2021, outcome "recovered" (10Apr2021), described as "Second dose: Had fever"; EATING DISORDER (non-serious) with onset 08Apr2021, outcome "unknown", described as "Second dose: Couldn't eat anything"; BEDRIDDEN (non-serious) with onset 09Apr2021, outcome "unknown", described as "Second dose: Couldn't get up and couldn't do anything"; DECREASED APPETITE (non-serious) with onset 08Apr2022, outcome "unknown", described as "The caller had no appetite."; FATIGUE (non-serious) with onset Apr2022, outcome "unknown", described as "was just tired from the second dose".  Additional Information: The caller received second booster dose Pfizer BioNTech Vaccine on 12Apr2022 and report side effects. The caller's side effects are not lingering. After the first dose Pfizer BioNTech Vaccine the caller wasn't really bothered, had a little sore shoulder. Caller received all doses at the same place, the withheld. The second dose Pfizer BioNTech Vaccine completely knocked the caller down. The caller had a fever. The caller couldn't get up and couldn't do anything. The caller couldn't eat anything. First dose: Had a little sore shoulder: This began on 16Mar2021 and went away in about a day. the caller clarifies, maybe the next week the arm continued to be sore and put ice on arm. Second dose: Fever began on 07Apr2021 and went away in about three days and recovered completely. Second dose: Couldn't get up and couldn't do anything: This began on 09Apr2021, two days after receiving second dose, but the temperature went down. Second dose: Couldn't eat anything: this began on 08Apr2022. no appetite. drank some green tea with honey and maybe ate, well didn't want anything to eat the next couple of days really. Thought is this supposed to be happening. First Booster Dose:had no problems and received on 15Oct2021. Second Booster Dose: Had a temperature and couldn't go to work: Caller received on 12Apr2022 .Caller woke up feeling really cold, like in icebox. took temperature and couldn't even go in to work. had a temperature.temperature fluctuated from 99 to 100 and then 100 to 101, 101 to 102.took Tylenol yesterday 13Apr2022 around 1800. temperature doesn't go down. no appetitive but was not throwing up. had a headache, arm was sore. whole body hurt like had the flu. Second Booster Dose: Had no appetite: This began on 13Apr2022. Second Booster Dose: Had a temperature and couldn't go to work: The caller still had a fever. Second Booster Dose: Had a headache: This began on 13Apr20222 in the evening and went away completely, early this morning 14Apr2022. Second Booster Dose: Had a temperature and couldn't go to work: The fever went from 99 to 100 and stayed at 100. took Tylenol and the temperature did not go down. The temperature went up and then back down. had cold sweats, really hot and then cold sweats again. Second Booster Dose: Had joint pains: had joint pains. Second Booster Dose: Had a temperature and couldn't go to work: had chills.had body aches and had to take a shower. Second Booster Dose: Arm sore: Stated on 13Apr2022 and still has arm soreness but not extremely sore. Second Booster Dose: Had joint pains: This began on 13Apr2022, when called off work. Caller woke up and whole body was sore, around back and on side. Joint pains have improved a whole lot. Whole body was sore from toes to everything. Time the Vaccination Was Given: First, second, first booster and second booster dose: All received in the morning between 0800 and 0930.Description of complaint: Took Tylenol Extra Strength and temperature did not go down.Product strength and count size dispensed: 500mg, Additional lot numbers: SFAO31. expiration: May2024.