fever/ I am now at 97.6. I was at a 102 at one point and it dropped to a 100; Caller reports that she received the Pfizer Covid booster shot; vomited; she became really cold; shaking from how cold she was; She reports having slept for 2 days straight and afterwards was too weak to get up; I ran in and ran back out and now I am dizzy; she feels like mucous is in her chest; she has wheezing in her chest; coughing relentlessly; delirium; She reports having slept for 2 days straight and afterwards was too weak to get up; can't even make anything to eat/ she hasn't worked in 6 days; 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 58 year-old female patient received bnt162b2 (BNT162B2), intramuscular, administered in deltoid right, administration date 16Dec2021 (Lot number: FD7218) at the age of 58 years as dose number unknown (booster), single for covid-19 immunisation. Relevant medical history included: "High blood pressure" (unspecified if ongoing); "stent in my heart" (unspecified if ongoing), notes: I have a stent in my heart; "I have a bad heart" (unspecified if ongoing), notes: I have a bad heart,. The patient's concomitant medications were not reported. Vaccination history included: Covid-19 vaccine (Dose number unknown, Manufacturer unknown), for Covid-19 immunization. The following information was reported: IMMUNISATION (disability, medically significant) with onset 16Dec2021, outcome "unknown", described as "Caller reports that she received the Pfizer Covid booster shot"; DELIRIUM (medically significant) with onset Dec2021, outcome "unknown", described as "delirium"; HYPERSOMNIA (disability), ASTHENIA (non-serious) all with onset Dec2021, outcome "unknown" and all described as "She reports having slept for 2 days straight and afterwards was too weak to get up"; PYREXIA (disability) with onset 17Dec2021, outcome "unknown", described as "fever/ I am now at 97.6. I was at a 102 at one point and it dropped to a 100"; LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (disability) with onset Dec2021, outcome "unknown", described as "can't even make anything to eat/ she hasn't worked in 6 days"; VOMITING (non-serious) with onset 16Dec2021, outcome "unknown", described as "vomited"; FEELING COLD (non-serious) with onset Dec2021, outcome "unknown", described as "she became really cold"; TREMOR (non-serious) with onset Dec2021, outcome "unknown", described as "shaking from how cold she was"; DIZZINESS (non-serious) with onset Dec2021, outcome "unknown", described as "I ran in and ran back out and now I am dizzy"; CHEST DISCOMFORT (non-serious) with onset Dec2021, outcome "unknown", described as "she feels like mucous is in her chest"; WHEEZING (non-serious) with onset Dec2021, outcome "unknown", described as "she has wheezing in her chest"; COUGH (non-serious) with onset Dec2021, outcome "unknown", described as "coughing relentlessly". The patient underwent the following laboratory tests and procedures: body temperature: (Dec2021) 102; (Dec2021) 100, notes: dropped; (21Dec2021) 97.6, notes: I am now at 97.6. Therapeutic measures were taken as a result of delirium, pyrexia, chest discomfort, wheezing, cough.  Clinical course: Patient has had "every symptom under the sun" reporting that she vomited within 4 hours. Patient vomited "like nobody's business" then she became really cold, drove home and started shaking from how cold she was. She slept for 2 days straight and afterwards was too weak to get up and now can't even make anything to eat. She reports that today was the first day she could drive to get something in the house, she states "I ran in and ran back out and now I am dizzy". Patient reported that while she doesn't have a cough, she feels like mucous is in her chest, she has wheezing in her chest and was taking Mucinex and Advil for the fever. Within the first 24 hours, she developed fever, coughing relentlessly, delirium. She slept literally for 2 days straight and today is the first day that broke the fever. Patient was now at 97.6, was at a 102 at one point and it dropped to a 100. Patient had been bed ridden. She had not been able to work in 6 days. Within a matter of 4-6 hours, she was vomiting, projecting like it came out of nowhere. She was taking Mucinex and just drinking lot of water.  No follow-up attempts are possible. No further information is expected.