High fever; nausea/extreme nausea; chills; shaking; freezing to death and burning up at the same time; freezing to death; vomiting; diarrhea; severe body ache/Severe body ache like somebody beat you up; exhausted/extreme exhausted like so tired; cough/terrible cough; runny nose; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 68-year-old female patient received bnt162b2, bnt162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 19Sep2023 as dose number unknown (booster), single (Batch/Lot number: unknown) at the age of 68 years, in left arm for covid-19 immunisation. The patient's relevant medical history was not reported. Concomitant medication(s) included: RSV VACCINE taken for immunisation as dose number unknown, single; MEGAFLU. Vaccination history included: Covid-19 vaccine (Primary Immunization series complete; unknown manufacturer), for COVID-19 immunization. The following information was reported: PYREXIA (non-serious) with onset 19Sep2023, outcome "unknown", described as "High fever"; CHILLS (non-serious) with onset 19Sep2023, outcome "unknown"; COUGH (non-serious) with onset 19Sep2023, outcome "unknown", described as "cough/terrible cough"; DIARRHOEA (non-serious) with onset 19Sep2023, outcome "unknown", described as "diarrhea"; FATIGUE (non-serious) with onset 19Sep2023, outcome "unknown", described as "exhausted/extreme exhausted like so tired"; FEELING COLD (non-serious) with onset 19Sep2023, outcome "unknown", described as "freezing to death"; FEELING HOT (non-serious) with onset 19Sep2023, outcome "unknown", described as "freezing to death and burning up at the same time"; NAUSEA (non-serious) with onset 19Sep2023, outcome "unknown", described as "nausea/extreme nausea"; RHINORRHOEA (non-serious) with onset 19Sep2023, outcome "unknown", described as "runny nose"; PAIN (non-serious) with onset 19Sep2023, outcome "unknown", described as "severe body ache/Severe body ache like somebody beat you up"; TREMOR (non-serious) with onset 19Sep2023, outcome "unknown", described as "shaking"; VOMITING (non-serious) with onset 19Sep2023, outcome "unknown". Relevant laboratory tests and procedures are available in the appropriate section.  Additional information: The patient had bad reactions to the booster (Pfizer COVID Booster) strange enough; severe reactions that were almost unbearable. The patient actually contacted COVID after years 3 years without having any problems at all. The patient has gotten every single shot throughout the whole thing including all the boosters and it looks like what she had was, she had bad reactions to the booster (Clarified as Pfizer COVID Booster) strange enough. The patient got the booster shot on 19 and within hours, The patient had such a severe reaction that was almost unbearable that she thought okay, this could pass over in a couple of days, not big deal, but it did not happen. When probed for the adverse reaction, the patient stated, yes, very high fever, chills, shaking, freezing to death and burning up at the same time, extreme nausea, vomiting and diarrhea at the same time and severe body ache like somebody beat you up and extreme exhausted like so tired and unable to almost like exhausted to just get up and go to the bathroom and come back seems like she was walking 100 miles to do it. And that by the way is one of the reasons she was calling today. By the way every single COVID shot that patient had gotten and all the booster from top to bottom from the original shot all the way down to this one they have all been Pfizer. The patient had just gotten about a week and half or 2 weeks before she had gotten 'Megaflu'. She called it the one is for the older people, and she had gotten her RSV (Unspecified RSV Vaccine). She got all these stuffs and she said weren't you going to put it on the cards, and they said no. This was just for COVID. So, then when she come back 10 days later to get the COVID booster they said no we are not tracking cards anymore.  The information on the batch/lot number for bnt162b2, bnt162b2 omi ba.4-5 has been requested and will be submitted if and when received.