high fever, 100.2/ caller reports "100.4" degree fever; whole body aching/being sore; feels very bad; Didn't sleep all night; 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 54-year-old male patient received BNT162b2 (BNT162B2), on 07Apr2022 at 10:30 as dose 3 (booster), single (Lot number: FM0698) at the age of 54 years, in left arm for covid-19 immunisation. The patient's relevant medical history included: "covid", start date: Jul2021, stop date: Jul2021, notes: Had Covid in Jul. The patient's concomitant medications were not reported. Vaccination history included: BNT162b2 (Covid-19 vaccine first dose, NDC: Unknown, Lot: 30145BA, Expiration: Unknown, Date given: 15Sep2021, Dose given: Unknown, Time given: maybe afternoon around 12, Anatomical location: left hand), administration date: 15Sep2021, when the patient was 53-year-old, for Covid-19 immunization, reaction(s): "Covid-19"; BNT162b2 (Covid-19 vaccine second dose, NDC: Unknown, Lot: 30145BA, Expiration: Unknown, Date given: 10Oct2021, Dose given: Unknown, Time given: maybe afternoon around 12, anatomical location: left hand), administration date: 10Oct2021, when the patient was 54-year-old, for Covid-19 immunization, reaction(s): "Covid-19". The following information was reported: INSOMNIA (non-serious) with onset 07Apr2022 at 21:00, outcome "recovering", described as "Didn't sleep all night"; FEELING ABNORMAL (non-serious) with onset 07Apr2022 at 21:00, outcome "unknown", described as "feels very bad"; PYREXIA (non-serious) with onset 07Apr2022 at 21:00, outcome "not recovered", described as "high fever, 100.2/ caller reports "100.4" degree fever"; PAIN (non-serious) with onset 07Apr2022 at 21:00, outcome "not recovered", described as "whole body aching/being sore". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of pyrexia, pain, feeling abnormal.  Additional information: Patient had Covid virus last year in Jul2021 and was in hospital for 3 months. He went to hospital on 15Jul2021 and was discharged from hospital to rehab. He was in rehab in Oct, Nov, Dec. He was in rehab for 2 months until 12Dec2021. He said 5 months all together. He said he recovered completely. He was in rehab because he had impression wound. This was prior to receiving Covid-19 vaccine. Additional vaccines administered on same date of the pfizer suspect if applicable, list all vaccines administered on same date with the pfizer vaccine considered as suspect was reported as No. Patient did not receive any other vaccinations within four weeks prior to the first administration date of the suspect vaccine. No family medical history relevant to AE(s). No relevant tests. Question: Caller stated that he had his booster dose yesterday third vaccine after 6 months after the 2 doses last year in October. Caller was calling to report side effects of a "high fever, 100.2" and whole body aching and being sore. He stated this AM he took Tylenol. Also this am, caller reported "100.4" degree fever and stated he "feels very bad." He said he will check temperature now and is 99.4. The caller would like to know what he needs to do (As reported). This morning he took 2 pills of Tylenol. He took booster vaccine at 10:30am in the morning and after 8 o' clock in the evening, so the whole day was okay but after like 8 o' clock around 9 o' clock the fever was like 100.2 and whole of body was ache, it was so painful. It was good all day and later that night at 9:00pm he felt bad, sore, body ache, fever. He took Tylenol and tried to sleep but didn't sleep all night. Patient clarified his Fever was 100.4 this morning and after 2 pills of Tylenol, within a few minutes his temperature was 99.4 and was still 99.4 at that moment. Feeling bad has maybe improved but very bad yesterday and whole night. He clarified that prior earlier this morning his fever was also 100.2. The Body aches were yesterday, 9 o clock in the evening. Seriousness reported as No. AE(s) did not require a visit to emergency room or Physician office. Treatment included tylenol 2 pills 500mg rapid release Gel caps 100 count.   No follow-up attempts are possible. No further information is expected.