weak; lethargic; I have not felt good for a week, the first 24 hours were really bad; sluggish; sore back; sick; nauseated; some arm; did not have appetite; had a cough; very very tired; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 71 year-old female patient received bnt162b2 (BNT162B2), intramuscular, administered in arm right, administration date 25Sep2021 16:00 (Lot number: FF2587) at the age of 71 years as dose 3 (booster), single for covid-19 immunisation. The patient had no relevant medical history. Concomitant medication(s) included: SYNTHROID; TAMOXIFEN. Vaccination history included: Bnt162b2 (DOSE 1, SINGLE, LOT: EN5318, Time (24hr): 4:15 pm, Anatomical Site of injection: Arm, Route of administration: Intramuscular), administration date: 27Jan2021, when the patient was 71 years old, for COVID-19 immunization; Bnt162b2 (DOSE 2, SINGLE, LOT: EL9265, Time (24hr): 4:15 pm, Anatomical Site of injection: Arm, Route of administration: Intramuscular), administration date: 17Feb2021, when the patient was 71 years old, for COVID-19 immunization. The following information was reported: DECREASED APPETITE (non-serious) with onset 25Sep2021 12:00, outcome "recovering", described as "did not have appetite"; COUGH (non-serious) with onset 25Sep2021 12:00, outcome "recovering", described as "had a cough"; FATIGUE (non-serious) with onset 25Sep2021 12:00, outcome "recovering", described as "very very tired"; ASTHENIA (non-serious), outcome "recovering", described as "weak"; LETHARGY (non-serious), outcome "recovering", described as "lethargic"; FEELING ABNORMAL (non-serious), outcome "unknown", described as "I have not felt good for a week, the first 24 hours were really bad"; SLUGGISHNESS (non-serious), outcome "unknown", described as "sluggish"; BACK PAIN (non-serious) with onset 25Sep2021 12:00, outcome "unknown", described as "sore back"; ILLNESS (non-serious) with onset 25Sep2021 12:00, outcome "unknown", described as "sick"; NAUSEA (non-serious) with onset 25Sep2021 12:00, outcome "unknown", described as "nauseated"; PAIN IN EXTREMITY (non-serious) with onset 25Sep2021 12:00, outcome "unknown", described as "some arm". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were not taken as a result of decreased appetite, cough, fatigue, asthenia, lethargy, feeling abnormal, sluggishness. Therapeutic measures were taken as a result of pain in extremity.  Patient had no illness at time of vaccination and no prior vaccinations (within 4 weeks). Patient was better, it better but patient do not have his total energy back. Patient had not felt good for a week, the first 24 hours were really bad, and he was just kind of lingering on. Patient was very sick first 30 hr. Patient was 57 yr age. Patient was not sure how to answer but symptoms was started about 10 hr. On 03Oct2021, after 8 days of not much appetite, cough, very, very tired, weak and lethargic patient began to feel better. Patient mentioned that his weakened immune system was due to age. Patient took booster dose due to high risk of frequent institutional or occupational exposure to coronavirus (and at risk of serious COVID-19 complications).  No follow-up attempts are possible. No further information is expected.