headache; body ache; Stomach ache; felt like fever, was hot; little soreness in upper arm; Was too sick to get up/got very ill; felt like fever, was hot; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 71-year-old female patient received bnt162b2 omi xbb.1.5 (COMIRNATY (2023-2024 FORMULA)), on 22Sep2023 at 16:00 as dose 1, single (Lot number: HG4628) at the age of 71 years, in left arm for covid-19 immunisation. The patient's relevant medical history included: "blood pressure" (unspecified if ongoing); "doesn't smoke" (unspecified if ongoing); "doesn't Drink" (unspecified if ongoing). The patient took concomitant medications. Vaccination history included: j &j covid vaccine (Dose 1, Single, All COVID vaccines given in left arm.), administration date: 12May2021, when the patient was 69-year-old, for COVID-19 immunization; j &j covid vaccine (Dose 2, Single, All COVID vaccines given in left arm.), administration date: 22Dec2021, when the patient was 69-year-old, for COVID-19 immunization; bnt162b2 (Dose 3 (Booster), Single, LOT: Looks like FP7138, All COVID vaccines given in left arm.), administration date: 24Aug2022, when the patient was 70-year-old, for COVID-19 immunization, reaction(s): "Interchange of vaccine products", "had a little soreness", "On 10Dec2022 she had an ischemic stroke that she described as mild and deep in the brain"; bnt162b2, bnt162b2 omi ba.4-5 (Dose 4 (Booster), Single, LOT: looks like GJ3274 not certain, due to handwriting , All COVID vaccines given in left arm., second booster), administration date: 06Feb2023, when the patient was 71-year-old, for COVID-19 immunization, reaction(s): "Interchange of vaccine products", "had a little soreness". The following information was reported: ABDOMINAL PAIN UPPER (non-serious) with onset 22Sep2023, outcome "recovered" (23Sep2023), described as "Stomach ache"; ILLNESS (non-serious) with onset 22Sep2023, outcome "recovered" (23Sep2023), described as "Was too sick to get up/got very ill"; PAIN (non-serious) with onset 22Sep2023, outcome "recovered" (23Sep2023), described as "body ache"; FEELING HOT (non-serious), PYREXIA (non-serious) all with onset 22Sep2023, outcome "recovered" (23Sep2023) and all described as "felt like fever, was hot"; HEADACHE (non-serious) with onset 22Sep2023, outcome "recovered" (23Sep2023); PAIN IN EXTREMITY (non-serious) with onset 22Sep2023, outcome "recovered" (23Sep2023), described as "little soreness in upper arm". Therapeutic measures were taken as a result of headache, pain, abdominal pain upper, feeling hot, pain in extremity, illness, pyrexia.  Additional information: Previously had one of the boosters, did not have much as much reaction, had a little soreness, nothing to speak of. This time, there was not only soreness but, overnight, got very ill, had headache, body aches, stomach aches, thinks she had fever. Was too sick to get up and check temperature. Eventually, it subsided, just surprised her a lot. Headache was a big headache. Clarified that headache started overnight, after getting vaccine 22Sep2023 (last Friday) in left upper arm by shoulder. Outcome of event: Clarified, that it has stopped. Was in too much discomfort, could not even take temperature. Took Tylenol after she got up in morning, about noon. helped with body aches and headaches. Pretty much about 24 hours after, with help of Tylenol, it subsided. Clarified, it was a big headache. Had lots of body aches and stomach aches. Felt like she had fever, did not take temperature, was too sick but, felt hot. Headache, body ache, stomach ache: Think it all started right about midnight because, she was up a good hour. Had shot about 4 in afternoon. Just had a little soreness in upper arm, which was fine. She had that before, didn't think much of it. She got COVID shot about 16:00 on 22Sep2023, symptoms started around midnight that night, going into 23Sep2023. She clarified that symptoms did not last 24 hours. When she got up finally, about noon, was able to take Tylenol. Later in day, started to subside, and got better. Was still there but didn't subside until Sunday, the next day, it subsided with Tylenol. The reason she is calling is, she had booster before, never had reaction like this. Was just concerned, wanted Pfizer to know. Patient takes blood pressure medicine, takes a statin. She has been taking them now for a year, or 9 months. Nothing changed before she took this, was all the same stuff she has always been taking and supplements, stuff like that. Never had COVID. No prior vaccinations (within 4 weeks). She was offered flu shot, did not take it. No family medical history relevant to adverse events.; Sender's Comments: Linked Report(s) : US-PFIZER INC-202300312076 same patient/vaccine, different dose and event;US-PFIZER INC-202300024576 same patient/vaccine, different dose and event;US-PFIZER INC-202300312075 same reporter/vaccine/event, different patient;